- #1

charmedbeauty

- 271

- 0

## Homework Statement

Prove that if k>1 then,

5/(k-1)-3/k-2/(k+2) = (9k+6)/(k-1)k(k+2)

Hence simplify Ʃ of k=2 to n {(3k+2)/(k-1)k(k+2)}

## Homework Equations

## The Attempt at a Solution

Ok so the first part is ok I just multiplied the denominators with the numerators and expanded and cancelled.

However the second part (hence simplify)... is where I am really stuck I have no clue what to do... please help! Thanks