Math, asked by rockey59, 11 months ago

81p² -121 Factorise algebraic expression

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Answered by QuickSilver04

15

Answer:

$= 81p {}^{2} - 121 \\ = (9p) {}^{2} -( 11) {}^{2} \\ = (9p + 11)(9p - 11)$

Answered by umiko28

3

Answer:

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