Question 20If 49x2−b=(7x+12)(7x−12),then the value of b isA) 0B) 1 – InterviewSolution

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1.	Question 20If 49x2−b=(7x+12)(7x−12),then the value of b isA) 0B) 1√2C) 14D) 12
Answer» Question 20 If $49 x^{2} - b = (7 x + \frac{1}{2}) (7 x - \frac{1}{2})$ , then the value of b is A) $0$ B) $\frac{1}{\sqrt{2}}$ C) $\frac{1}{4}$ D) $\frac{1}{2}$

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