(a - b)2 + 2ab = ? – McqOptions

MCQOPTIONS

1.	(a - b)2 + 2ab = ?
A.	a2 - b2
B.	a2 + b2
C.	a2 - 4ab + b2
D.	a2 - 2ab + b2
Answer» C. a2 - 4ab + b2

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