Question

Multiply (find the product): [2a-1/3] [2a + 1/3]​

Answer 1

Step-by-step explanation:

$(2a - \frac{1}{3} )(2a + \frac{1}{3} )$

By using the identity, a^2 - b^2 = (a+b)(a-b) , we get

$( {2 a)}^{2} - ( { \frac{1}{3}) }^{2}$

$= 4 {a}^{2} - \frac{1}{9}$