Question

Help!

Answer 1

What you need help with

Answer 2

\[\sum_{k=1}^{\infty}=\frac{ 1 }{ k }-\frac{ 1 }{ k+2 }\]

Answer 3

Ummmmmmm. Im not that smart

Answer 4

so this is a telescoping series, just do a few partial sums and you'll see what the series equals

Answer 5

didn't get that(

Answer 6

(1-1/3)+(1/2-1/4)+(1/3-1/5)+(1/4-1/6)... some of the terms got cancelled out

Answer 7

so the result should just be (1+1/2) or something similar to that

Answer 8

thx :D