Question

$4x 2 + 4y 2 = 25$

Answer 1

Heya friend !!!!!

•°• Here's your answer •°•

$que = {4x}^{2} + {4y}^{2} = 25 \\ \\ = {(2x)}^{2} + {(2y)}^{2} = {(5)}^{2} \\ \\ = 2x + 2y = 5$

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