Question

(p-11)(p+11) using suitable identity solve

Answer 1

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using identity (a2-b2)
$p {}^{2} - 11 {}^{2} \\ = p {}^{2} - 121$
the value of p is 11

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Answer 2

Heya ..!

Question =>

(p-11) (p+11)

Answer =>

(p+11) (p-11)

[ (a+b) (a-b) = a^2 - b^2 ]

= (p)^2 - (11)^2

= p^2 - 121

Therefore Answer = p^2 - 121