If ab = 21 and (a+b)2(a−b)2(a+b)2(a−b)2 = 254,254, then the value – McqOptions

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1.	If ab = 21 and (a+b)2(a−b)2(a+b)2(a−b)2 = 254,254, then the value of a2 + b2 + 3ab is?
A.	115
B.	121
C.	125
D.	127
Answer» B. 121

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