Math, asked by predatorX7T, 4 months ago

(15m^2+11n)^2-(15m^2-11n)^2

Answers

Answered by DEBOBROTABHATTACHARY
1

we know , a^2 - b^2 = (a+b)(a-b)

so, (15m^2+11n)^2-(15m^2-11n)^2

= (15m^2+11n + 15m^2-11n)(15m^2+11n - 15m^2+11n)

= (30m^2) (22n)

= 660 m^2.n

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