Question

(2a-1/2)(2a-1/2) by using identities​

Answer 1

Step-by-step explanation:

according to formula,

(a² - b²)= ( a + b) ( a - b)

(2a)² - ( 1/2)²

(4a² - 1 /4) answer

Answer 2

Answer:

16a^2-8a+1

Step-by-step explanation:

(2a-1/2)(2a-1/2)=(2a-1/2)^2

=4a^2-2a+1/4

(*4)=16a^2-8a+1