Question

(2a-1/2)(2a-1/2) use suitable formula to find this product

Answer 1

Answer:

(2a-1/2)²=(2a)²-(1/2)²-2(2a)(1/2)

4a²-1/4-2a/2

4a²-1/4-a

Answer 2

Answer:

$(2a - \frac{1}{2})(2a - \frac{1}{2} ) = {(2a)}^{2} - 2a \: + \frac{1}{4} = 4 {a }^{2} - 2a + \frac{1}{4}$