Math, asked by avinashindia550, 9 months ago

Expand by algebraic identities (5x+2y)²

Answers

Answered by rsagnik437

21

(5x+2y)²

We know that (a+b)²=a²+2ab+b²

(5x)²+2×5x×2y+(2y)²

25x²+20xy+4y²

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