If 49 a2-b-7 a-127 a-12- then the value of b isa 0b 14c 12d 12

We have to find the value of b Given Using identity We get Equating ‘b’ on both sides we get nbsp; Hence the value of b is The correct choice is ...

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Expansion of (x^2 - y^2)

If 49 a2-b=7 ...

Question

If 49a² − b = $(7 a + \frac{1}{2}) (7 a - \frac{1}{2})$ , then the value of b is

(a) 0

(b) $\frac{1}{4}$

(c) $\frac{1}{\sqrt{2}}$

(d) $\frac{1}{2}$

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(3 x + \frac{1}{2}) (3 x - \frac{1}{2}) = 9 x^{2} - p

- \frac{1}{4}

\frac{1}{4}

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49 a^{2} - b = (7 a + 2) (7 a - 2)

If $49 a^{2} - b = (7 a + \frac{1}{2}) (7 a - \frac{1}{2}),$ then the value of b is

49 a^{2} - b = (7 a + \frac{1}{2}) (7 a - \frac{1}{2}),

\frac{1}{\sqrt{2}}

\frac{1}{4}

\frac{1}{2}

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