Question

2. If 49a^2 -b = (7a +1/2) (7a -1/2) then find the value of b.

Please answer fast. ​

Answer 1

Answer:

1/4

Step-by-step explanation:

$(a+b)(a - b) = ({a}^{2} - {b}^{2})$

${(7a)}^{2} - { \frac{1}{2}}^{2}$

$49 {a}^{2} - \frac{1}{4}$

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