(5x+1/5y) ka whole square
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Answer:
We know:-
(a+b)^2=a^2+b^2+2ab
put values:-
(5x+1/5y)^2=(5x)^2+(1/5y)^2+2×5x×1/5y
=25x^2+1/25y^2+2x/y
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