Question

Pls pls pls pls pls help​

Answer 1

we can write a ^1/2 as a^-1 so now

(a^-1 - a^-1) (a^-1 + a^-1)

Explanation:

here (a-b) (a+b) = a^2+ b^2

so

use that formula and solve

or ya I won't solve all cuz i have give you the hint