(a+b)^2+(a-b)^2
Somebody simplify it
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Answered by
0
Answer:
2(a^2+b^2)
pls mark my answer as brainllest answer
Answered by
17
We simply use algebraic identities here.
( a+b) ^2 + (a-b)^2
= a^2 + b ^2 + 2ab + [ a^2 + b ^2 - 2ab ]
= 2 ( a ^ 2 + b ^ 2)
= 2 a ^ 2 + 2 b ^ 2
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