(a+b)^2-2ab=dash+dash
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(a+b)^2-2ab
a^2+b^2+2ab-2ab
a^2 + b^2
so,answer is a^2+b^2
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Answered by
1
Answer:
(a+b)²-2ab=a²+b²
Step-by-step explanation:
(a+b)²-2ab
Using identities,
(x+y)²=x²+y²+2xy
a²+b²+2ab-2ab
a²+b²
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