#help-0
1 messages · Page 256 of 1
for me personally like 25 people wanted to see if i had succeeded
which i did
i finished the middle education with straight a's
but now im higher education and itll be harder
i kinda got used to it since it has always been like that had responsibilities ever since
i had straight a's all my life
i didn't
i used to be stupid as fuck
honestly
I struggled so hard
but i think its because i got everything delayed
bt i did too
i missed out on of many things because i was too busy studing
now that i have one extra year over others
itll be easier
i didn't i definitely didn't
that's one positive aspect
thats nicee
i'm pretty good at the questions
it wasnt my choice
u r getting it
yupp
nooooooooooooou
x20
x=20
yeah
then its fine
at least on my screen
man i m like a math teacher
theres good and bad math teachers
what am i
so far so good
thnks for the compliment
Airie solves sqrt(0.5x-1) < 3 and gives as solution x=0 v=20 why is this not correct?
thats a question
the answer is obviously
it will be negative sqrt
thats no bueno
it won't work
so it's can only be 20
send the ques
that's the legit question
yeah i mean the pic
one sec
its dutch tho
so itll be hard to read
it's pretty much this
and the equation reuslts in x=0 v x=20 according to Arie
the book tells us that is not correct and that Arie made a mistake
We must point out what Arie's mistake was
And that is that if 0.5*0 results in 0 meaning sqrt(-1)<3
And sqrt can't be negative
so that's not correct
see since the sign is less that and not less than equal to
that means x can not be 20
let me see the answers
x has to be less than 20 so the answer will be 0
The answer is
??
thats true too
yeah the answer wont be 0 nor 20
cause x can not be 20 cause there is no equal sign in the expression
I'll translate you the whole exercise maybe im stupid
sending you the exercise it self will be useless
you wont understand a word
yeah please
Given is a graph of the formula f(x) = sqrt(0.5x-1) and the line y=3
a. For which function values of x do function values exist?
b. Show that sqrt(0.5x-1)=3 follows x=20
c. Arie solves the inequality sqrt(0.5x-1)<3 using the graph. He gives the solution x<20 and x<0. What mistake did he make?
I was with c
okay do uk how to solve the graphs
The answer is:
x=0 is no solution because sqrt(0.5*0-1) = sqrt(-1) and that does not exist
Like how do you mean solve graphs
cause the option c will be easire if you know how to solve it
like do u know how to draw it
this is true what doubt do u have in this statement
i know this is true
but u told me x=20 is neither an answer
and the book does say it is
no the book says x<20 not x=20
Oh
Is that key
Ooh
Wait
I'm so fucking stupid
holy fuck
Yeah im gonna need to lend some of your math skills
this is emberassing
see i told u
dw i once shouted 20+30+20=50 infront of 40 pelople with confidence
ikkkkkkkrrrrrrr
and my friend waas like so u r good at maths
Must be horrable
i never answer in public
cause the uni exam i m studying for is one of the hardest so i have to know
the only thing that can happen is bad
nothing good
no one will award me if i have it correct
but i will be emberassed if i dont have it correct
no i kinda like embarassing moment they r nice to revisit
so why would i even risk it
i have them in the shower
its painful
The revisits
i've had some truly emberassing moments
brooo u dont even get me started on how it is when u do that with ur friends
i once snucked into boys washroom
Oh
by mistake
no one is going to forget that
It's gotta be horrible
i've had some so emberassing moments
but boys dont share
i can guarantee you
whyyyy
no boy shares there emberassing moment with another
it's not gonna happen
guys keep their problems to themself i guess
tell me urs
comeon doent matter'
Nah it's very bad
dudee comeonnnnnnnnnnnn
there's no way i'd say it to any one ever
i pray to gods every night everyone forgot it
do it for the sake of our 2 hour friendship
I can tell u a stupid mistake
but not the things that are truly bad
Because they are too bad
I've had some so fucking emberassing moments you cant even realise
what youre thinkin rn 810
*10
thats not fair , did u do some1 bad or some1 did u bad
No
i did no one bad
no one did me bad
but it's just emberassing
but i did show up once to work
after a 45m drive
realising i didnt need to work
when i was waiting for the shift leader
😭
i ran
out of there
and hoped no one saw me
bro u kidding me
i actually walked once in the afternoon and our afternoon are like crazy like its 40 degree for an hour with my bagpack all heavy
realising i didnt have any class and that they msges it in the grp chat
okayyyyy
Rip
i aint any srsy bad stuff so i can relate y u r not telling bt if u dont wanna to thats fine ig
the rip couldnt summerise my pain
Yes
but running into the boys room is not that akward
it's worse when running into the girl room
washroom
because then you're a creep
ehh yeahh pretty much
bt i didnt do it intentionally
some they do
ikkkk
its problem with social media
guys are often pointed out as the bad guy
but it's more often th an not somewhere in the middle
idk i left social media long ago
im pretty inactive on social media too
especially no tiktok
that's gonna mess the brain up
i'm telling u
in 20 years we will see how hard the brains got messed up
tiktok is ban in our contry sooooooo
oh no one in family getting no tiktok
here they do
entire families including parents are addicted
people have 8 hours of tiktok screen time
it's horrible
thats really saddd
people on tiktok are really dumb too
they are the gen z
i consider myself an old soul even my friends call me a grandpa so
people are truly surprised when i tell them what i achieved already and then they go and tell about their crazy screentime
tbh we should be some1 who represnts people in genz not the other dumber one
Gen Z is represented by the top 0.1% dumb people
gotta put the good leg frwd
ikrrrrrr
they are left
Completely
I'm really into statistics
i got a statistics class aswell
this is fun to calculate
although tell me about this
i had this last year
idk how to explain it in english
let me translate
okyyy
ohhokaayyokayy
it shows the average it and it shows how much people fall within a range
so between 85 and 115 is about 70% of the population
and the rest is either above or under
15% above 15% under
it's interesting
you can also put it in a table
ohhh thats sad man
it's not really sad
why does that delete
w hat the heck
idk was gonna ask u the same
i dont delete it
some bot does
or some guy is trolling
but intelligence isnt just this
you can be socially intelligent too
good in making people do things is an important skill
ikkk i understand
some1 is telling us to get the fuck out i think
they jst jealous
yea probably
they cant find a friend online'
it doent delete mine tho'
i cry when i m jealous soo
oh
i dont do that
i don't cry anymore
it's been 5 years
i do i think i m a crybaby
i think u should once a month it helps
but thats not truly crying
i was just crying today
why what happened
udk man
maybe it does
maybe one day ill cry so hard to catch up
but i dont know
just really missed my old house i shifted few days back
It's weird like that really right
ikk it wiilll cause i was like that before bt now i just cry when i want too
it's just a house but on the other hand it means os much
i dont hold it in watever i m feeling
no cause i spent legit 10 years there
Crazy
Oh
i'm fascinated about our brain
it's crazy how smart we are but also how smart we think we are
nobody really cares about our previous house bt i do a lot
did u move to something better or not
i think that i should not think that i m smart
are u better off objectively
yes
exactly
smart people often don't say they are smart
i moved somewhere really really better but just the feeing'
Thats nice at least
yeah but i m smart in maths thats it
i mean patterns as into
number patterns
to see what they have in common
or how it works
yeahh pretty good at it ig
i just really put in the effort in it
i dunno the answer
i'm too dumb
i think its 1 but im dumb
paaliseeeee ukk the answer bt wait i m telling
its actually 4
it 2^16,2^8,2^4
so the next has got to be 2^2
Crazy
i knew it
you are good at pattern recognition
3968, 63, 8, 3, ...
what will follow
cause i study cs and my professor made us learn till 2^10
okay wait
Oh
so you basically recognized the numbers
thats pretty lucky i guess
yeahh
is it 2
i think it is
the problem is
i dont have the answers
and there are no answers available
it can also be 1
but i think its 2
it's something to the power of something again im pretty sure
try this
3968/63=63
rounded
it suddenly turned into quiz
thats no coincidence
add 1 in 3968 then divid it by 63
similarly add 1 in 63 takes its sq root it becomes 8
so its sqrt of 4
its 2
that makes sense
actually
you are really good at this
then ig ot a crazy one
1, 0, -1, 0, ...
this one goodluck mate
ive been looking at indefinitely
whyyy r u doint this to mee
with no success
Because u can probably do it succesfuly
its either -1 or 1
i think it's -1 again
whyy
i think the pattern is 1,0,-1,0,-1,-2,-1
it falls back one
and then goes further
i believe
or well goes up one
every 2 times
man i acidently clicked on my pdf
idk what else could be going on
see first one all the even places has 0
so what are you saying
this is getting too big brain for me
fuck this bot
i got on an i-q test 112
whyy
i think ur probably l ike 130
nah probably 120
Try one
i got one done irl
because well my parents thought i was kinda dumb as i told u i struggled a lot at shcool
dudeeeeeee its the last one
but i did well
thats gooddd
proud of you
is it m
Yes
5
-2 +1
+2 +1 -1
no its -2,+1
yeahh thats itttt
last one i got
yeah ik
you got a 100% accuracy score
Crazy
so it was all correct
Except the one we skipped
the -1 1
thingy
hehehe all that olmpiads i did worked out
Lol
yeah i dont wanna think about it tho
yea its probabl y a hard one tho
maybe some genius here knows it
it can also be 12
*1
i will think about it in my class
or i will just ask my professore
1,0,-1,0,1,0,-1,0,1,0,-1,0,1,0,-1,0,1,0,-1,0,1,0,-1,0,1,0,-1,0,1,0,-1,0,1,0,-1,0,1,0,-1,0,1,0,-1,0,1,0,-1,0,1,0,-1,0,1
this might just be the pattern
it would make sense kinda
whats this
ohh right
man how long have we been doing this shit
wowwww i havent even talked to father that long in my whole life
thats good and i feel fresh now
Nice
but isnt it late in india
its like 3hrs ahead of us
3.5hrs even
yeah its 3.17 am
bt its actually pretty normal for me
my sleep rythm is perfect but not at all healthy
i sleep from 4 to 6.55
Great sleep schedule
the from 1pm to 4
Oh
it varies
ofcc i cant end being zombie
i wont get it even if i sleep in continuity since its a new house it will take time to adjust
i can sleep wherever and whenever bt man i must really miss my house
its good u can use that time for smth else
Thats really hard
it goes away over time tho
offc it doesnt bt since i m feeling it i wanna feel it all the way through
i tried doing that did not work for me so here i am
bt tbh i really run away from my prblm and shit
Yea
i run away from problems aswell
it's the best way to fix problems
just dont acknowledge them and they will go awawy
at least i hope so
yeah bt its bad when the prblms are the people
yea
people who put their problems on me
are no longer people i talk with
i can help
but i aint a problem solver
for them
me tooooooooooo
bt offc thats not the case for the close ones
actuallyy theres thing called space
ikkkrrrrr we r realing same bt different man
really*
guys are different
than girls
it's something society seems to deny these days
but it is true
guys wont share their problems ever
at least not the ones i know
i prefer the one who do not everytime bt sometime they should
sometimes it depends
if its like something i specifically can help with
then yes
but if its just an average problem
not really honestly
idk
even i dont share an average prblm dude
thats so true
every1 has prblms
ohh its correct 3.30 here
wow u r pretty accurate kinda guy huh niceeeeeee
yeah cause we r a good company man
its said the older u get the faster time goes
thats what i think atleast
no actually the phy theory says smth else
really
it states the more u rest or be still the faster time will fly
and the more u run the slower it gets
I heard theories
that since the most memorable memories are in early life
the older u get the longer your childhood lasted in your head
because memorable moments often are more specific and detailed they seem to have taken longer
ohhhhhhhh niceeeeeeeeeeeeeeeeeee
where do hear these theories
from some interesting youtubers with good reputation
vsauce or something hes called
he has these kinds of theories
ohhhh i jst watch tanmay bhat he is quite popular in india and he is funny
oooooooohh i will check him out some day
maybe well i got a pretty big family so i kinda agree
theres atleast 80/100 people in my family
yeah i dont really need stats to see that i practically live here
i got 18family members that are alive
crazy difference
dude thats even less than the cousin i got
Lol
This is little below average
but not much
i think both sides combined average is like 25
probably
these days
yeah i told u the side which has less cousin
u dont wanna know my family tress srsly
cause even idk the halp of them
tree
avg children made by dutch parents is 1.7-1.8
if it wasnt for immigration itd decrease population
whats 1.7-1.8
ohh do youu ?? i didnt know that
Yes
mostly from turkey are morrocco
and now Ukraine
some ppl want to close the borders
some want them wide open
the government couldnt agree with each other
which is why they stepped up yesterday and resigned
wowww thats some stuff
did theyy i didnt know that
i dont think you couldve known
whats you legal voting age
we quite small country
ohhokayyokayy
crazy chaotic
theres really pressure on kids to study
like every parents prime focus is studying
then government is pretty fcked up none of us like our current pm
its def like another world here i can say for sure
yeah
good for u atleast some1 better will come up hopefully
nope
and religion thing is scary here so never go onto that
seems like i spoke too soon
never talk about religion in india its a very riski playground
i believe in nothing but i accept almost every thing
Oh
i guess i spoke too soon aswell
hahaha nice one
we do have that bt we have crazy lott religions and people really believe in then blindly so like yea
they get protective
yes very
Yes
see people here are humble bt not when it get on their religion
bt its very fun during festivals tho you should def visit here during festivals in future
reallyy i live in the same state
for what tho
Hes working for a tech company that has a big office in Mumbai
and I can come with if id like
ohhokayyokaayy
Since i graduated this year
mumbai will be crazy for u
it will be if u will come
what noo that is a stereotype
like i said its different world
does newyork not have crime
brooo focus on the emotions man
maybe he just does everywhere with higher risk
but i think i might go it would be totally different than western world
ask ur dad hows mumbai
he loves it
i bet he def wouldnt say its normal
But he did say its not what he expected
thats good ig
unhnn why tho
hes goes every 6months now
idk
man even i dont go to mumbai that often
it is
crazy
i told you its chaotic too
do u think a western driver could drive properly in mumbai
what the heck is happening in here
i had some issues with sqrt
In the begin at least
but now I understand
and then this happened
yeah
actuallyy but noow i need to goo
my moms gonna beat my ass
Hahahha
yuppp
it was nice taking to you
yes
whats ur name
yes
gn manuel
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Hi there! I need help with a question from diff eq. The prompt is 3. Solve the IVP. Final answers should be real-valued (no i involved).
2y′′′ + 3y′′ − 12y′ + 7y = 0, y(0) = 1, y′(0) = 0, y′′(0) = 2
I need help solving for the initial conditions part of the question, and more specifically solving for A, B, and C
https://media.discordapp.net/attachments/903430334681608232/1127356547027193916/IMG_7115.jpg?width=339&height=452
I'm having a difficult time trying to find the constants' value(s)
well it's just a linear system of equations you have to solve now
and this
idk take a better pic
you take another picture with a camera tht has more than one pixel
my phones all I got 
something's up with your settings then
I looked at the image preview for that paper and it looks fine to me
but
anyways
thats not the purpose
but yeah it looks like you have a linear system you solved for A, B, and C
yeah
Oh
is my way of finding A legit?
so what's the issue? put those back into the general form
It’s hard to see @uncut glen
the issue is when I plug the values of A and C into the 3rd equation
it doesn't equal 2
that's the issue
and I don't know where I messed up
Actually now i can see
You can use cramers rule to solve systems of equations that have more than 2 variables
here hold on
ill send my work rq for the rd equation
I had it on another page
so what you can do is take your A, B, and C and see whether they satisfy the system of equations you wrote down
Well, it depends since in an 3x3 matrix you could just use sarrus method
yeah ik
and they don't sadly
they satisy the first 2 equations
but not the 3rd for some reason
then you messed something up solving the system
yeah ik
thats what I'm trying to get help on
is figuring out where I went wrong
because I've like quadruplechecked my work now
and there doesn't look to be any errors that I can see of
like it all looks legit
however you took this picture take one of your paper that way
oh okay bet
What equations are you subtracting
the 2nd and the third
but for the 2nd equation I multipled everything by a multiple of 2
to make the B's cancel out
@tardy stag is this better?
Oh now i see
yeah much
okay sweet sweet
You didn’t multiply
The 2 on rhe second equation
It was supposed to be -2
$-1 \cdot (A + 2 \cdot B + …) = -1 \cdot 2$
pcheese2010
Yeah i was lazy to write the C part
good catch
It happens, take a brake and relax… math is not supposed to be stressful
Mistakes like this indicates that you may doing this for long enough
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i need help understanding
Look at the y intercept
.close
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hey,
for the problem:
e^.08t = 2500
i'm just curious if my steps/description of each step is correct:
common logarith, base e, e = natural logarithm, base e, e
-
lne^.08t = ln(2500) -- dealing with e
-
.08tlne = ln(2500) -- power rule
-
.08t = ln(2500) -- because lne = 1 as log, base e, e = y ---> e^y = e = y = 1
-
t = ln(2500)/(.08) - divide both sides by .08
-
t ~ 97.8
I found another way to do it but I don't understand how they got there:
e^ln(2500) = e^.08t
Questions:
When/where should I put parenthesis?
is .08tlne the same as .08 * t * ln * e?
i understand lne = 1 but how is that solved in the problem? i basically ignored the rest of the equation and just took out lne to solve, is that how i was supposed to do it?
Thank you
Regarding your questions:
- You don't need to put parentheses in this particular equation. However, in more complex equations, it's important to use parentheses to indicate the order of operations.
- "lne" and "ln*e" are not the same. "ln(e)" means taking the natural logarithm of the number e, which is equal to 1. "ln * e" would suggest multiplication, which is not applicable in this context.
- you correctly simplified ln(e) to 1. However, you also need to consider the entire equation. It's not enough to just remove ln(e) and solve for t. You need to go through the appropriate steps to isolate t, which involves dividing both sides of the equation by 0.08.
thanks mark,
but how do i simplify ln(e) to 1, that is, considering the entire equation?
should i think of it in terms of common logarithm?
natural logarithm, base e, e^.08t = natural logarithm, base e, e(2500)?
ln(e) represents the natural logarithm of the base e raised to the power of 1
correct. but how do i go about setting the entire equation to solve for this? i just know it by theorem.
oooh.
haha.
think i've got it.
to start:
b^y=x | log, base b, x = y, therefore,
y * log, base e, e^.08t = y * log, base e, 2500
To simplify, divide both sides by "y" then use power rule,
.08t*log, base e, e = log, base e, 2500
since log, base e, e is the same as ln(e), interchange then solve for t,
t = ln(2500)/.08ln(e)
how fun.
and then for this: e^ln(2500) = e^.08t, the equation above i was confused on, they just use b^y=x, did the same as i did with log, base b, x = y
@outer portal thanks Mark!
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@undone herald Has your question been resolved?
@undone herald still need help
Wait
@undone herald The equation of the set of all points equidistant from points A(-1, 5, 3) and B(6, 2, -2) is:
(x - 2.5)² + (y - 3.5)² + (z - 0.5)² = (x + 1)² + (y - 5)² + (z - 3)² = (x - 6)² + (y - 2)² + (z + 2)²
i’m confused
@undone herald Has your question been resolved?
,rotate
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I don't know where to start
@tribal valve Has your question been resolved?
you could try mapping the relationship between a and b (since they must be within the square) with a function and finding the domain or range of it
i haven't learned this kind of math tho so that's just a theory
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End of 2nd paragraph
Are those just Complex and all the square roots stuff?
So radical stuff?
Ok let’s suppose we start with ℚ
I need to add all the roots, square roots cube roots etc
Then I need to add i
Then that’s algebraically closed?
Hmm i dont think so
no, because polynomials of degree 5+ cannot be solved with radicals
✨ Galois ✨
So other than the field ℂ there isn’t really an easy example of an algebraically closed field?
i mean there's the algebraic numbers the article is talking about
but that's kind of hard to describe
I'm confused why it says no finite field is algebraically closed though if I just think about F2
oh i see
(x + 1)x + 1 has no roots
in general that product for all field elements + 1 has no roots
yeah as soon as I started typing it out I realized why I was silly
That article just says a lot about algebraic numbers in general and not the field of all of them
also i want to point out that this is true starting from the equation itself
an simple example of why Q is not algebraically closed is just x^2 - 2 = 0
they said Q with all rational exponents and with i
So algebraically closed fields are just hard to describe outside of ℂ
oh i see
But they exist
wait does that mean that (x - a)(x - b)(x - c)... + 1 is always an irreducible polynomial for a given finite field? @surreal meadow
answers another question i've had which is how tf do you find those
irreducible polynomials yeah
i've always seen like "oh take F7 with the polynomial x^8 - x^4 + x^2 + 1" or whatever and I'm like... how did you get that
no i don't think they're necessarily irreducible

wait i'm thinking of F(2^7) nvm
maybe i ask an actual well-formed question in another channel...
Sure it just means you’ve already put in every element of the finite field none of which solves for 0
that's not enough to guarantee irreducible i don't think
like you could have nonlinear factors
which correspond to solutions in extensions of the field
wait does that mean that (x - a)(x - b)(x - c)... + 1 is always an irreducible polynomial for a given finite field?
it doesn't, that was my question
Oh
i missed that when i read it too
Lmao
Then I think it’s not true bc of this exactly
