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Question 20 If 49x2−b=(7x+12)(7x−12), then the value of b is A) 0 B) 1√2 C) 14 D) 12

Answer» Question 20
If 49x2b=(7x+12)(7x12),
then the value of b is

A) 0
B) 12
C) 14
D) 12


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