Question

(3xplus4y)2 find square root by using identities
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Answer 1

Answer:

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Answer 2

Answer:

$( {3x + 4y)}^{2} \\ \\ (x + y) ^{2} = {x}^{2} + {y}^{2} + 2xy \\ \\ acc \: to \: this \\ \\ 9 {x}^{2} + 16 {y}^{2} + 24xy$