Math, asked by lakshithaAmballa, 5 months ago

expand using identity (3p - 5q - r)²

Answers

Answered by kmanyatapriyadarsini

2

(a-b-c)² = a²-b²+c²

(3p - 5q - r)² = (3p)² - (5q)² + r²

= 9p² - 25q² + r² ( Ans)

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