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#more help plss
empty stratus
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empty stratus
i wrote the equation as (-1(1-(5)^8))/(1-5)
thick mica
waxen lynx
Yeah, that's correct.
empty stratus
Why is there 1/5 at the start?
thick mica
-5^k-1 =-1/5 * 5^k
waxen lynx
Well, that's not really necessary to do.
waxen lynx
Yeah!
thick mica
Is your favourite subject math
waxen lynx
Are you asking me? If so... Well, second favorite after chemistry.
wicked quiver
Are you asking me? If so... Well, second favorite after chemistry.
Chemistry is a suspicious thing to be interested in
waxen lynx
Chemistry is a suspicious thing to be interested in
What do you mean? I am a chemistry major.
Obviously, I'm interested in chemistry.
wicked quiver
What do you mean? I am a chemistry major.
It's suspicious because chemistry is associated with drugs and bombs
waxen lynx
It's suspicious because chemistry is associated with drugs and bombs
Well, that's not all chemistry does...
Besides, drugs are more towards biochemistry, which I'm not interested in, anyway.
urban solar
Just add
-5^(1-1) +
-5^(2-1) +
...
That's the easiest method.
waxen lynx
Just add
-5^(1-1) +
-5^(2-1) +
...
That's the easiest method.
Well, maybe, but if you have hundreds of terms, this will take a very long time. Better to use the formula for sum of geometric progression.