Question

2/(p+1)- 1/(p+1)+4/(1-p^2)
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Answer 1

(5-p)/(p+1) (1-p)

Explanation:

2/(p+1) -1/(p+1)+4/(1+p)(1-p)

{2(1-p)-(1-p)+4}/( p+1) (1-p)

on solving we get

(5-p)/(p+1 )(1-p)