(a-b) whole square = (a+b) whole square - 4ab
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Answer:
we know that,
(a-b) whole square = a square + b square -2ab
and, (a+b) whole square = a Square +b square +2ab
case 1,
(a-b) whole square =(a+b) whole square -4ab
a square + b square -2ab = a square +b square + 2ab -4ab
then ,
a square + b square -2ab = a square +b square -2ab
so, they LHS = RHS
HENCE PROVED.
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