English, asked by prakhar038, 15 days ago

mplity
(a) (3x +5y)2 +(3x - 5y)2

Answers

Answered by induu2345

0

Explanation:

(3x)2+(5y)2 +2×3x×5y + (3x)2+(5y)2-2×3x×5y

9x2+25y2+30xy +9x2+25y2 -30xy

18x2+50y2

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