- #1
charmedbeauty
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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