help-36

[trail osprey]

Can someone please help me with this problem, I am very confused on how to setup the rate x time equals distance

[vestal frigate]

If it helps, let's first write out what we know

[trail osprey]

Is this correct

[vestal frigate]

,rccw

[vestal frigate]

Sorry for wait I was doing work out myself

Yeah I think those look good

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[tranquil pine]

1+1 pls and 2x2

[tranquil pine]

in the longest way you can

[void crest]

mhmm

well

ill start

let 🍩 =1

[stoic mural]

ok

you want a long answer?

1+1 is not always 2

to even define 1+1 we have to look at where these numbers come from

usually, we are given a vector space

in our example i assume we are in R, the real numbers

[grim nebula]

[stoic mural]

but that is an asumption

there also are other things apart from vector spaces like rings

so we could have something where we only have 0 and 1

with this i dont mean binary

so in this case we would have 1+1=0

[deft ravine]

e.g Take two magnets. Now put them together. Now you only have one magnet. So 1+1=1

[stoic mural]

so in total i would say "deriving" 1+1 is impossible

it depends on the conventions and basically the assumptions and definitions we use

i would say it is just defined as 1+1=2 usually

same for 2*2

btw, seeing 2x2 is so weird

looks like cross product

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[tranquil pine]

.reopen

[final saddle]

✅

[prime charm]

whoops mb

[tranquil pine]

\

so

whats 1+1 and 2-2 and 3x3 and 4 divided by 4

[void crest]

wow

another one

[cloud zephyr]

such ingenious questions, im crying

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[tranquil pine]

Hello i need help with some trigonometry function questions

[tranquil pine]

I started this recently and im kinda lost

The problem is these ones thag i underlined

Inversed tangens

I really am having trouble with understanding this

Nvm i understood now

.close

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[fathom stream]

How do you do this. Im stuck

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@fathom stream Has your question been resolved?

[fathom stream]

😭😭

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[hollow notch]

i cant solve this 4x(2-x)+(x-2)=-11 i know the formula but i just cannot find what i get wrong. the answer should be x^2=3 and x=-3 and i continue getting -1/4 and -2 pls help

[loud sundial]

send your work

[hollow notch]

ok wait a minute

[loud sundial]

can you send a screenshot

[hollow notch]

ok

[loud sundial]

you need to set the equation = 0 before finding $\Delta$

[soft zealot]

Civil Service Pigeon

[hollow notch]

ohh i didn t know that

thank you very much

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[polar wing]

i just drew this

wait

.close

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[boreal gorge]

Need help with this question

[boreal gorge]

I think it's false but O

*i'm not too sure

.close

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[tulip wren]

Surely with the second and third bullet point holding true then a_n has to converge to 0, is there something im missing

[robust mulch]

a_n does converge to 0

[tulip wren]

but the question asks that none of the following conditions imply that a_n converges to 0

or am i misreading

[robust mulch]

Oh

None of the conditions by themselves?

[tulip wren]

it might be asking examples for each individual buillet point?

yh i assume so

it has to converge with all true

just making sure thanks

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[charred relic]

I dont understand where i went wrong when answering this question

[grim badger]

Post your work

[charred relic]

i didnt have any work for this problem

i didnt think it was necesary

but i can explain what i was thinkinh

[grim badger]

Then how do people know where you went wrong?

[charred relic]

i can tell u what answer i got

[grim badger]

What did you get and how did you get that answer?

[charred relic]

so i got answer a

my thought process was

[grim badger]

Because you clearly did not do this

[charred relic]

when i was reading I i thought it made sense because it started decreasing on y = -2

so i thought that was already one part of the answer

and to be honest i didnt understand what II said so i didnt mark it as right

and III i just looked at the graphed and determined that the domain was right

[grim badger]

Do you know what the correct answer is?

[charred relic]

no

what this is

is basically test corrections

so we took the test

and my teacher does test corrections

so you have to find out what you did wrong

but i dont understand where i went wrong on this problem

[grim badger]

So then this is your goal so I don't think it's valid for you to get help from other people

[charred relic]

but i dont understand

i cant correct my work

if i dont understand whats wrong

i dont need you to tell me the answer

just what i did wrong

[grim badger]

I do suggest looking up what it means to be decreasing, then that should clarify things up

[charred relic]

ok

.close

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[obsidian rover]

Quick and general question:

[obsidian rover]

Surely not Linear,
But I've never heard of a Radial Basis function is the question trying to catch me off guard with random answers?

Look up tables and Neural networks are... not graphical?

[vestal frigate]

I also have not head of radial basis functions

[obsidian rover]

So the most suitable is 3rd degree polynomial?

That's my general guess

[vestal frigate]

To me that looks parabolic so maybe 3rd degree would work

[obsidian rover]

Okay, just looking for a quick second opinion. Thank you <3

.close

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[tranquil pine]

.reopen

[still basalt]

can somebody help me?

[shell mountain]

What have you tried

[still basalt]

I tried multiplying it

[shell mountain]

Why

[still basalt]

well i dont really know but i also tried

x+10+3x=180

for the equation

[shell mountain]

Why would they add to 180

[still basalt]

its geometry

[shell mountain]

What type of angles do you have?

Like opposite/adjacent interior/exterior or corresponding

[still basalt]

oh

alternate interior

[shell mountain]

And what's true about alternate interior angles when the lines are parallel?

[still basalt]

uhhh

there congruent?

[shell mountain]

So what must be true about 3x and x + 10?

[still basalt]

i dont know

sorry

[shell mountain]

If the angles are congruent

What must be true about their measures

[still basalt]

they must be equal?

[shell mountain]

Yes

And if the measures of the angles are 3x and x + 10

What must be true

[still basalt]

that

3 is equal to x?

acutally i got the answer

sorry for wasting your time

thank you!

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[dull orchid]

how do i even do this?

[rain crane]

Which tests

[hasty flint]

they left

oh nvm

[dull orchid]

ratio

[rain crane]

W

[dull orchid]

huh

[rain crane]

XD

It Says both

So there are two tests

[dull orchid]

its either

does root test or ratio test work here

now that i look at it again i think its root test

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[oak kraken]

Is it ok the way I have written this math in blue for the denominator factors cannot equal zero?

Or should I still use equals sign

I’m basically saying it cannot equal 0 because if it does equal 0 there would be a problem (discontinuity)

But I wanna get in the right habit for how to write these correctly

[final tangle]

I'd use = with the appropriate description accompanying it

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[oak kraken]

(x + 4) = 0, x != 0?

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[tidal salmon]

hello does anyone have a starting point here?

[tidal salmon]

the prof said to use the inverse function rule on $F(x_1,x_2,x_3)$ but i cant seem to get further

[soft zealot]

b3s4d

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[dusky urchin]

Help

[final saddle]

Please don't occupy multiple help channels.

[thorny tendon]

Close your old channel

[dusky urchin]

I can’t find it

[fathom walrus]

#help-31

[dusky urchin]

There

Now help pls

Y=-6x+b

How to get b using the points

Bro if I plug the coordinates in I’m getting different values

For different corrdinates

Idk what I doing wrong

[gray vortex]

what are you trying to find

[gray vortex]

what is this supposed to be

[dusky urchin]

Slope formula huh

Buh

[gray vortex]

i get that

but

[dusky urchin]

But what

[gray vortex]

what is that line supposed to be

what points does it go through

lmao

[dusky urchin]

Bruh

[gray vortex]

how am I supposed to guess

[dusky urchin]

Did u look at the picture

[gray vortex]

yes

[dusky urchin]

I used a and b to get slope

[gray vortex]

oh the line that goes through a and b

well

just use the point slope form

[dusky urchin]

So I can plug in a b or the midpoint to get the same y intercept right?

I can just plug it in tho right

[gray vortex]

yeah

[dusky urchin]

But it’s not working

Pls try the caculations

[gray vortex]

or you can do

[soft zealot]

Asagao 朝顔

[dusky urchin]

Bro why do u think I’m asking y

Pls use brain

Cause I m getting different values

[gray vortex]

if you know the slope

and you know a point

[gray vortex]

then you can use this

to get the equation of the line

[dusky urchin]

Or plug the x and y in

Right?

Plug into slope formula

[gray vortex]

yeah ig you can do that

just solve the equation

[dusky urchin]

It’s not working bruh pls show

[gray vortex]

what have you tried

show

show me so i can tell you where you went wrong lmao

[dusky urchin]

I tried plugging in different points on the slope

[gray vortex]

oh god this is a mess

anyways

so

you see

you know (3,5) is on the line riGht

with what you already have

[dusky urchin]

Yes

[gray vortex]

y=-6x+b

you can just plug in x and y

[dusky urchin]

Yes

That makes b

[gray vortex]

5=-6*3+b

[dusky urchin]

Yea

[gray vortex]

5=-18+b

[dusky urchin]

B= 23

[gray vortex]

b=5+18

which is 23

[dusky urchin]

Now try another point

I got different value

For each of the 3 points

[junior pebble]

the slope is literally not -6

that is why nothing makes sense

[dusky urchin]

It’s 1/6

Which is -6

[junior pebble]

then why does y = -6x + b

it doesnt

[dusky urchin]

1/6= -6

[junior pebble]

that is VERY false

[gray vortex]

you sure the slope is -6??

[gray vortex]

holy shit

[dusky urchin]

Wait no

I tried 1/6 too

It didn’t work

[gray vortex]

it does work

[dusky urchin]

I tried y=1/6x+b

Wdym

It dint

[gray vortex]

it does work

check lmao

[dusky urchin]

I did

[junior pebble]

check again

[gray vortex]

-6 is the slope of the perpendicular line

lmao

[dusky urchin]

So what is this

Oh shit

Oh yeaaa that’s what it was

Lmao

Perpendicular of a slope is it’s reciprocal and opposite sign

Bruh forgot math

Still getting different values

L

[gray vortex]

what is the exercise

show me

[dusky urchin]

Slope of this

[gray vortex]

no

[dusky urchin]

A to B

[gray vortex]

show me

[dusky urchin]

I just want slop of this first

[gray vortex]

the exercise thing

show it to me

[dusky urchin]

Don’t worry bout it for now

[junior pebble]

no

you want help

[gray vortex]

yes worry about it for now

[junior pebble]

give the man what he asks

[dusky urchin]

Bro I have exam in 1 day

[junior pebble]

then learn it yourself

[gray vortex]

where are the instructions lmao

[dusky urchin]

Why do u wanna know

[junior pebble]

dont help them

[dusky urchin]

It doesn’t relate

[gray vortex]

how tf am i supposed to know what you have to do if you don't give me the instructions

T-T

[junior pebble]

the problem statement doesnt relate to the problem?

dude

[dusky urchin]

Simple

[junior pebble]

holy shit

[dusky urchin]

Find slope of

A and b

It’s 1/6 right

[junior pebble]

A and b are points

[dusky urchin]

Yes

[junior pebble]

points dont have a slope

[gray vortex]

WE already established that it's 1/6 a while ago

[dusky urchin]

No the line between them

Bruh

The line that connects them

So using that fine y intercept

Find

[gray vortex]

it goes through (3,5)

[dusky urchin]

Find y int using 3,5 and 9,6 or 15,7

[dusky urchin]

Yes

[gray vortex]

so the equation to it is

[dusky urchin]

Y=1/6x+b

[dusky urchin]

Plug any of these same y int shud pop up

[gray vortex]

$$\frac{1}{6}(x-3) +5 $$

[soft zealot]

Asagao 朝顔

[dusky urchin]

But it isn’t

[gray vortex]

wdym

[dusky urchin]

Bruh

[gray vortex]

it works

[dusky urchin]

In slope formula

[gray vortex]

plug in 15 you get 7

[junior pebble]

the y intercept is -27

or maybe i made that up completely

[gray vortex]

no

[junior pebble]

who knows

[gray vortex]

it's 4.5

[dusky urchin]

Is this right

[junior pebble]

oh u right

[dusky urchin]

Ok now

I plug in

[gray vortex]

it's 5-1/2 which is 9/2 or 4.5

mixed numbers are cringe

[dusky urchin]

Fuck me

I did

1/6 times 15= 15/16

[gray vortex]

don't use mixed numbers cuz bad notation

[dusky urchin]

Failure

[gray vortex]

fym

how did the 6 turn into a 16 out of nowhere

[dusky urchin]

Im failure I wasted 1 hour on a stupid mistake

My brain does wonders 🙂

Im gt u kno

So it’s built abnormal

We leaning circumvented

Circumcenter

Centroid

Prthocenter

How to get them using the 3 points on a triangle

So help pls

[gray vortex]

which one of them are you trying to find rn

[dusky urchin]

Rn doing

Circumcenter

We having test tmr

Or Tuesday

On how to solve them

Also 30 step proofs

[gray vortex]

to find the circumcenter you just have to find the perpendicular bisectors

[dusky urchin]

In geometry bruh

30 step proofs in geometry ://///::

We just learned them 2 weeks ago

[gray vortex]

To find the circumcenter it's relatively straightforward

[summer bridge]

whats the problem?

[gray vortex]

@dusky urchin

[dusky urchin]

There

Hey so

Tmr

About

5 hours before rn

I need help with like all this

[gray vortex]

ok

so do you know how to find the circumcenter

[dusky urchin]

I know in definition

[gray vortex]

ok so what is it

tell me

[dusky urchin]

Not using the 3 points of a triangle

Like in circumcenter is where 3 perpendicular bisectors intersect

[gray vortex]

mhm

yes

[dusky urchin]

Idk how to solve that shit

[gray vortex]

look

you have the triangle right

you know how to find a midpoint right

[dusky urchin]

I need like detailed description with visual uhh

And using actual example

[gray vortex]

here is the triangle

[dusky urchin]

U can just ss

Doing each of them

[gray vortex]

so how do you find the perpendicular bisector

[dusky urchin]

Using example triangle with 3 random coords

[gray vortex]

first of all

[dusky urchin]

It’s the

[gray vortex]

what is the perpendicular bisector

[dusky urchin]

Cuts each line in half

90 degrees

To line

[gray vortex]

exactly

to find the middle of a line what do you do

to find the middle of 2 points

what do you use

[dusky urchin]

Midpoint

[gray vortex]

mhm

so once you have the midpoint

[dusky urchin]

I m going to

Loose track

So like can I use visual

U

[gray vortex]

here's the midpoint

[dusky urchin]

Yea

[gray vortex]

that you can find using the midpoint formula

[dusky urchin]

Yes

Which one are u teaching me for?

[gray vortex]

i

'm showing you the process

[dusky urchin]

For which term

[gray vortex]

?

wdym

[dusky urchin]

Like circumcenter centroid or orthocentwr

Each have different ways of solving

I need for all 3

[gray vortex]

this is for the circumcenter

[dusky urchin]

Ok

[gray vortex]

so now that you have the midpoint

you have to find the perpendicular line that goes through it

you can find the slope of the line (AB)

[dusky urchin]

And find perpendicular of slope yes

[gray vortex]

yes

and then find the equation of the line

since you know the point

[dusky urchin]

And to make sure the slope is on the midpoint

[gray vortex]

yes

the line

[dusky urchin]

We use the midpoint to find slope intercept

[gray vortex]

has to go through the midpoint

[dusky urchin]

And plug it into the slop

[gray vortex]

what

[dusky urchin]

So 1/6 is slope right.

-6 is perpendicular slope

[gray vortex]

yes

[dusky urchin]

The slope can be drawn any where on the line tho right?

[gray vortex]

huh???

[dusky urchin]

As long as it’s perpendicular to the line

[gray vortex]

the slope is a number

not a line

idk what you're talking about

[dusky urchin]

Can be drawn anywhere

The line of the perpendicular slope

On the line

A b

[gray vortex]

is there any way you can call so i can screenshare it'd be easier

[dusky urchin]

I show picture

[gray vortex]

can you call though

[dusky urchin]

Look

The line can be anywhere

[gray vortex]

yes this is for different y intercepts

but you know it goes through the midpoint

[dusky urchin]

It doesn’t have to

Bruh

[gray vortex]

it does

because it's the perpendicular bisector

[dusky urchin]

Prove it

[gray vortex]

.

[dusky urchin]

Oh

[gray vortex]

it's the definition

of the perpendicular bisector

[dusky urchin]

Yes but

[gray vortex]

...

[dusky urchin]

We haven’t found the perpendicular bisector yet

[gray vortex]

that's what we're trying to find

lmao

[dusky urchin]

Yes for that

We use mid point and plug it in right

[gray vortex]

we know it has a slope of -6 and goes through the midpoint (9,6)

you could do that

or use point slope form

${\displaystyle y-y_{1}=m(x-x_{1})}$

[soft zealot]

Asagao 朝顔

[dusky urchin]

That gae

Plug in easy

[gray vortex]

point slope form is easier

look

no solving equations

just

[dusky urchin]

Idc rn

Das for later

[gray vortex]

y-6=-6(x-9)

which gives y=-6(x-9)+6

[dusky urchin]

Wait

Ok

Meh

Same amount of solving

It’s not easier tho

[gray vortex]

it is easier

[dusky urchin]

Ok anyway

[gray vortex]

just add 6 to both sides

[dusky urchin]

Let’s continue

[gray vortex]

lmao

[dusky urchin]

Pls

[gray vortex]

yes

well now

you have the equation to one of the perpendicular bisectors

repeat this for any other side

[dusky urchin]

Ok

Then what

[gray vortex]

this is what you get

[dusky urchin]

Ok

[gray vortex]

now you want to find where the lines intersect

[dusky urchin]

How to do that

[gray vortex]

you set both of the lines equal to each other

[dusky urchin]

Without graphs

What

[gray vortex]

so the equation for the first perpendicular bisector is -6x+60

[dusky urchin]

How does that find the intersection

[gray vortex]

and the one for the second is -1.2x+14.7

[gray vortex]

well if they have the same value at a point then they

will intersect

[dusky urchin]

No like how does combining 2 slope founulas find intersection

[gray vortex]

so you just want the solution to -6x+60=-1.2+14.7

[dusky urchin]

Why

[gray vortex]

You want to find the point that is on both lines

[dusky urchin]

Is my question

[dusky urchin]

I know

I don’t under what’s like happening tho

[gray vortex]

so you want the y values to be the same

right

the y value of the point has to be the same

on both lines

[dusky urchin]

Doesn’t the x also have to be the same

[gray vortex]

yes

it does

[dusky urchin]

Ok so ?

[gray vortex]

but you have the formula for the y values right

y=-6x+60

and

y=1.2x+14.7

[dusky urchin]

Oh ok

[gray vortex]

you want these to be the same

so you equate them

[dusky urchin]

I understand the why** somewhat

[gray vortex]

you just want to solve this system of equations

to find a point

that satisfies both these equations

and thus is on both lines

[dusky urchin]

Gotchu

Where do u live btw

[gray vortex]

US

[dusky urchin]

Alr

Ima like dm u

Tmr at 8am

Ish

For the rest 2

I am like go to bed in 10 min

[gray vortex]

8am what time lmao

[dusky urchin]

Cst

[gray vortex]

ok

i might be asleep idk

[gray vortex]

so idk

[dusky urchin]

Buh

Or at

Well that’s the most optimal

8 15

[gray vortex]

ok

[dusky urchin]

Gn

[final saddle]

@dusky urchin Has your question been resolved?

[final saddle]

Channel closed

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[vapid merlin]

lowkey forgot about angles 😭

[void crest]

hey

u drew me weird

well

[vapid merlin]

oh wow..

[void crest]

sum of ang at a pt is 360

[vapid merlin]

i said x=80

[void crest]

thats right

[topaz cypress]

I think that's right

[vapid merlin]

but im not too confident abt my answer so i kinda need like a review-

OH?

[gleaming bramble]

thicc

[void crest]

lol

[vapid merlin]

ok this 1 problem is killing me let me send

[void crest]

b confident

like me

always confident in wrong answers

[void crest]

ok well

opp angles is the same

n ang on line is 180

[vapid merlin]

honestly i put 2y+2x=180 and was like yeah let me just wait

[topaz cypress]

So 2x=y-x
Therefore y=3x

Ok yeah

Sub y=3x

[void crest]

how did u get that

[topaz cypress]

Wait nvm yeah

Where did 2x come from

Shouldn't it be 2y=180?

Because y+x+y-x=180

[void crest]

wot

[topaz cypress]

The x cancel

[void crest]

so lost

[vapid merlin]

now im lost odndksnsksk

[void crest]

same

[topaz cypress]

Because of this

They're supplementary no?

[void crest]

u just worked thru it weird

ok so

[vapid merlin]

so um

[void crest]

2x=y-x

[topaz cypress]

Oh no what did I do

[void crest]

yes?

[topaz cypress]

Yeah

[vapid merlin]

mhm

[void crest]

y=3x

[topaz cypress]

Yeah

[void crest]

looking at CD, 2x+(3x+x)=180

[void crest]

hey u dis get it right

lol

well

i didnt get ur steps

[vapid merlin]

ok so x=36; y=3x

wait i lied

[void crest]

wow

y u lyin

[topaz cypress]

You said A+B=180

[vapid merlin]

nvm i forgot there cant be x^2

[topaz cypress]

So I used A=y+x and B=y-x

Because of this, y+x+y-x=180

[void crest]

oh that

LOL

ic oops

[topaz cypress]

So the x cancel out and we have 2y=180

So y-90

[void crest]

i just

blanked

[topaz cypress]

And then we have the y=3x

[vapid merlin]

ok pause who is telling me the truth

[topaz cypress]

So 3x=90

x=30

[void crest]

ye urs is btr

just mayb add u r taking angles on AB

[topaz cypress]

Yeah I was like "Why are you taking the long way around?" lol

[void crest]

[topaz cypress]

Haha I just thought you knew that by default, since you're the one that pointed it out in the first place

[vapid merlin]

👀

[topaz cypress]

Ah well

[vapid merlin]

ler me scroll up

[void crest]

idk thrs 2 angles we could taken sooo

[vapid merlin]

idk whos wrong and whos right bc of the different methods

[topaz cypress]

Well yeah, I just took the easier one

[topaz cypress]

They're both right

[void crest]

both right

[vapid merlin]

OH?

[void crest]

mines clearer

hmph

lol

[vapid merlin]

ok let me scroll up its 1:08 am

[topaz cypress]

Oh dear, looks like we're all sleep deprived rn

[vapid merlin]

yup unfortunately

alright all good thank u all sm <33 @topaz cypress @void crest

[void crest]

💕

[topaz cypress]

No problem!

[void crest]

ill

destroy

.close

[final saddle]

Channel closed

Closed by @void crest

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[final saddle]

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Remember:
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• Show your work, and if possible, explain where you are stuck.
• After 15 minutes, feel free to ping <@&286206848099549185>.
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• Be polite and have a nice day!

Read #❓how-to-get-help for further information on how to ask a good question, and about conduct in the question channels.

[onyx sand]

how to solve this?

i think the steps i used are wrong

[amber holly]

Show your work

[onyx sand]

starting with logrithmic differentiation

and then implicit differentiation

maybe that is wroing?

oh

took ln^2x derivative wrong?

[amber holly]

Yes

[amber holly]

Use power and chain rules in order to differentiate (lnx)^2

[onyx sand]

does this lkook better

[amber holly]

Yes

[onyx sand]

and my idea of using

(1,16^ln4)

is fine?

[amber holly]

Why'd you use a point where x = 1?

[amber holly]

From here all you need to do it plug in the expression for y

And then plug in x = 4

[onyx sand]

wait didnt i use for when x=4

oh

i thought i could just do that in the orignial function

i just said in original function

f(4)=16^ln4

so i have point 4,16^ln4

is that wrong?

the (1,-7/64 is from a diff question

[amber holly]

f(4) is irrelevant

[onyx sand]

if that is the 1 you are referring to

[amber holly]

You need f'(4)

[onyx sand]

oh

true

i do need f'(4)

[amber holly]

Which is the same as dy/dx when x = 4

[onyx sand]

yeah

butthen i have

y values ?

[amber holly]

Plug in y = 4x^lnx into the equation that you got for dy/dx

[onyx sand]

ooh

[amber holly]

And you'll have dy/dx in terms of just x

[onyx sand]

good idea

16ln4^ln4??

[amber holly]

4*4^ln4 =/= 16^ln4

[onyx sand]

yeah

[amber holly]

=/= means is not equal to

[onyx sand]

yes

so

is the second y value wrong too?

[amber holly]

How'd you get any of that though?

[onyx sand]

i have dy/dx

changed y into terms of x

and plugged in 4

[amber holly]

Yes but you cancelled stuff out wrongly

[onyx sand]

o

which stuff

[amber holly]

Why'd you raise (x + 8lnx) to the power of ln4?

[onyx sand]

uhhh i think bc

i had

multipled by 1^ln4

so i thoiught

i just do that

[amber holly]

No it doesn't work like that

[onyx sand]

pain

[amber holly]

Instead just simplify the expression into $x^{\ln{x} - 1}(x + 8\ln{x})$ and plug in x = 4

[soft zealot]

A Lonely Bean

[onyx sand]

why the -1?

[amber holly]

You had x^lnx/x = x^lnx/x^1 = x^(lnx - 1)

Since a^b/a^c = a^(b - c)

[onyx sand]

wouild this work

or wait no

its not 1^ln4

[amber holly]

Yes but the last step it wrong

[onyx sand]

its 4^ln4-1

[amber holly]

Yeah

[onyx sand]

isnt it

[amber holly]

Yes

[onyx sand]

ok

[amber holly]

Orr

Instead

You could divide 4 + 8ln4 by 4

It'll look way nicer

[onyx sand]

i think i did that

the 1+2ln4

oh

i did both

im trolling

is this finally right

and then i get this?

no

this

ok no i fucked it up agani

2nd term has 8ln4

however that answer is wrong

here is my full solution

what is wrong

.close

[final saddle]

Channel closed

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Remember:
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• Show your work, and if possible, explain where you are stuck.
• After 15 minutes, feel free to ping <@&286206848099549185>.
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Read #❓how-to-get-help for further information on how to ask a good question, and about conduct in the question channels.

[summer kernel]

In need of help

[topaz cypress]

Which question?

[summer kernel]

question 8

would be more easier to do first

[topaz cypress]

Oh, ok

So we have to divide 2/3 by 3/5

[summer kernel]

oh?

ok

[topaz cypress]

You know how to do that?

[summer kernel]

yeah

[topaz cypress]

So yeah, just do that

(2/3)/(3/5)

[summer kernel]

wait

let me show you

[topaz cypress]

Alright

[summer kernel]

like this

???

[topaz cypress]

Yes, exactly!

[summer kernel]

thanks

[topaz cypress]

I would leave it as 10/9 however

[summer kernel]

oh

ok

[topaz cypress]

Easier to read and use

So is that it?

[summer kernel]

question 7 too

i have a bad problem

[topaz cypress]

Ah, ok

[summer kernel]

of my inablility to understand questions

[topaz cypress]

Let Adam's age be A, Ben's age be B, and Callum's age be C

Since we want to find A, let A=x

[summer kernel]

ok

[topaz cypress]

We know that C=(2/3)x and B=(4/5)x

[summer kernel]

yes

i tried using algerbra

[topaz cypress]

And we also know that C=B-2

[summer kernel]

but there is no total

yo??

so what do we do

[topaz cypress]

We substitute our previous values of B and C

So we have that 2x/3=(4x/5)-2

Which is the same as 2x/3=(4x-10)/5

[summer kernel]

ok??

[topaz cypress]

We multiply the 5, giving us 10x/3=4x-10

And we multiply the 3, giving us 10x=12x-30

Now we isolate the xs, giving us 2x=30

[summer kernel]

that would equal to 3

[topaz cypress]

And divide by 3

x=15

So Adam is 15 years old

[summer kernel]

but can you write it in a equation form

like on paper

please??

it helps me understand things mre easier

[topaz cypress]

Uhh, give me a sec

[summer kernel]

ok thx so much

[topaz cypress]

$\frac{2x}{3}=(\frac{4x}{5})-2$

[soft zealot]

Estebson

[topaz cypress]

$\frac{2x}{3}=\frac{4x-10}{5}$

[soft zealot]

Estebson

[summer kernel]

thanks

ok

[topaz cypress]

$\frac{10x}{3}=4x-10$

[soft zealot]

Estebson

[topaz cypress]

$10x=12x-30$

[soft zealot]

Estebson

[topaz cypress]

$2x=30$

[soft zealot]

Estebson

[topaz cypress]

$x=15$

[soft zealot]

Estebson

[summer kernel]

ok

[topaz cypress]

And that's all there is to it

[summer kernel]

thanks

also

[topaz cypress]

Np!

[summer kernel]

how do you close this channel

[topaz cypress]

.close

[summer kernel]

im new to this server??

[final saddle]

Channel closed

Closed by @topaz cypress

Use .reopen if this was a mistake.

[summer kernel]

bye

.close

[topaz cypress]

Bye

[topaz cypress]

(I already closed it lol)

[final saddle]

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[summer kernel]

why would u time this again

[summer kernel]

???

sorry im just trying to figure it y=out

??

@topaz cypress

[topaz cypress]

That's C=B-2

[summer kernel]

why minus 2??

??

OK

thanks

.close

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@feral star Has your question been resolved?

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[south warren]

How do I find the integral of sin(t^5)+4?

[south warren]

from -pi to pi

[vestal frigate]

$\int_{-\pi}^{\pi}sin(t^5)+4 dt$

[soft zealot]

lexitorius

[vestal frigate]

This?

[south warren]

yes

so mainly how do I deal with sin(t^5)

[stoic mural]

f(x)=sin(t^5)

notice that f(-x)=-f(x)

so an integral from -a to a over sin(t^5) will always be zero

in other words

[south warren]

yes but because of the 4 its shifted right? or do I just use 4x....

[stoic mural]

because of the symmetry of sin(t^5), what area f has on one side, it will have the opposite area on the other side

we can split the integral

so we get 4pi-(-4)pi

=8pi

[south warren]

ohh right I tried it but forgot the double minus

thanks man

[stoic mural]

btw without symmetry, it becomes quite difficult haha

[south warren]

yeahh also tried the integral caluclator hahhaa

[dusty harbor]

lol

[stoic mural]

i see this gamma function from time to time

im getting more curious what it is every day haha

[south warren]

thats why I got so confused because at first I thought 0 because I forgot one minus, but then when checking I got that

[dusty harbor]

what is the 10th root of -1 anyways, like how do you know which of the 10 roots it should be

i guess the one with the smallest argument but still

[south warren]

yeah thats really weird

.close

[final saddle]

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[south warren]

can I rewrite the riemann sum 12n/(36n+4i^2) to 3/((9/n)+(i^2/n^2)) ?if so how do I rewrite the 9/n part as a function?

[south warren]

and 1/n outside the riemannsum

[final saddle]

@south warren Has your question been resolved?

[south warren]

.close

[final saddle]

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[slender tendon]

so I'm doing the product rule and I'm getting 5832 but it is still marked as incorrect