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idku
 one year ago
this can be a very good post...
idku
 one year ago
this can be a very good post...

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yes, it can, but it isn't

Astrophysics
 one year ago
Best ResponseYou've already chosen the best response.0Seriously though, what's the question it shows it's in calculus 1 so it had me excited :P

idku
 one year ago
Best ResponseYou've already chosen the best response.0\(\Large \displaystyle\sum_{n=k}^{\infty}~f(n)=~?\) (starting from any whole number k) we know: \(\Large \displaystyle\sum_{n=1}^{\infty}A_n=\frac{A_1}{1r}\) what is r in initial case? \(\Large \displaystyle r=\lim_{n\rightarrow \infty}\frac{a_{n+1}}{a_n}\) so, \(\Large \displaystyle\sum_{n=k}^{\infty}~f(n)~=~\frac{A_k}{1r}\) \(\Large \displaystyle\sum_{n=k}^{\infty}~f(n)~=\frac{A_k}{\displaystyle1\left(\lim_{n\rightarrow \infty}\frac{a_{n+1}}{a_n}\right)}\) i don't even know why so many people are viewing.... (btw, just had to depart for a little)

idku
 one year ago
Best ResponseYou've already chosen the best response.0that is just a general thing that works for any f

idku
 one year ago
Best ResponseYou've already chosen the best response.0just a quick thought ... ))
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