(a2 + b2 + 2ab) - (a2 + b2 - 2ab)
sachinpatidar76:
ans will be 4ab
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Answers
Answered by
76
First we should open the bracket
=a2+ b2 + 2ab - a2 - b2 + 2ab
= a2 - a2 + b2 - b2 + 2ab + 2ab
= 4ab
=a2+ b2 + 2ab - a2 - b2 + 2ab
= a2 - a2 + b2 - b2 + 2ab + 2ab
= 4ab
Answered by
39
Hope it helps.... Without using the Identity (a+b)sq. or (a-b)sq. the is 4ab..
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