Question

Can someone help me with this please ​

Answer 1

It's a

Explanation:

`(1)/(4) {x}^(2) - 1`

`{( (1)/(2) x)}^(2) - {1}^(2)`

Answer 2

B

Explanation:

This is because the difference of two squares follows the general equation of (x-a)^2 - a^2 - c