If 49x2 - b = (7x + \(\frac{1}{2}\))(7x - \(\frac{1}{2}\)) , then the value of b is :
A. 0
B. \(\frac{1}{\sqrt{2}}\)
C. \(\frac{1}{4}\)
D. \(\frac{1}{2}\)
Answer:C
If 49x2 - b = (7x + \(\frac{1}{2}\))(7x - \(\frac{1}{2}\)) , then the value of b is :
A. 0 B. \(\frac{1}{\sqrt{2}}\) C. \(\frac{1}{4}\) D. \(\frac{1}{2}\)