(a+b)2 + (b+c)2 =

A.a2 + 2b2 + 2ab + c2 + 2bc

B.a2 + b2 + c2 + 2ab + 2bc

C.a2 – b2 + c2 + 2ab + 2bc

D.2a2 + 2b2 + 2c2 + ab + bc

E.none

Show Answer

Answer=Option A

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