Question

anyone help use the formula to evaluate the series -3+6-12+24-..-a7

Answer 1

Summation (-1)^n(2n)(3/2)

Answer 2

\[\sum_{n=0}^{\infty}((-1)^n*(2n)(3/2))\]

Answer 3

is that the answer ??

Answer 4

i dont know how to do this at all

Answer 5

Don't start the summation from 0 like I did though, start it at 1. If you start at 0 your first term would be 0.

Answer 6

This is like art, there is no one way to do it, you just start by analyzing what's happening and take off from there. One step at a time, until it all works out.

Answer 7

i dont understand how to do this problem at all

Answer 8

can you teach me how to do this problem from begining to end