The term to be added to 121a2 +64b to make a perfect square is

1.	The term to be added to 121a² +64b to make a perfect square is
A.	176 ab
B.	276 a
C.	178 ab
D.	188 b
E.	a
Answer» B. 276 a

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The term to be added to 121a2 +64b to make a perfect square is

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The term to be added to 121a² +64b to make a perfect square is