Question

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p²+2p-(q+1)(q-1) factorise it .​

Answer 1

Ans:- p²+2p-(q+1)(q-1)

= p²+2p - (q²-1)

= p²+2p+1 -q²

= (p)²+2×p×1+(1)² - (q)²

= (p+1)²-(q)²

= (p+1+q)(p+1-q)

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