what is formula of (a+b)2
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(a+b) square = a square + b square + 2ab
sonam2004:
rc
17
a2 + b2
a2+b2 don't have formula
I don't think this is any identity a2 + b2
a2 - b2 is an identity
yes
ok then give me the formula of a2-b2
post QUESTION
a2 - b2 = (a+b) (a-b)
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