by using identity solve the following
( 5x + 3y)2
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Answer:
we use identity (a+b)2
(5x)2+(3y)2+2×5x×3y
25x2+9y2+30xy
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=(5x)^2+2×5x×3y+(3y)^2
=25x^2+30xy+9y^2
this is ur answer(^)=it means raise to
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