Question

use a suitable identity to multiply​

Answer 1

Answer:

here is ur required answer

Answer 2

(2a-1/2)(2a-1/2)

(2a-1/2)²

[ using identity => (a-b)²= a²+b²-2ab]

( 2a)²+(1/2)²-2(2a)(1/2)

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