Question

(a-b)²=?
Solve and explain how..?

Answer 1

Answer:

(a - b)² is an identity

it can be expanded as :-

a² - 2 a b + b²

hope this helps...

Answer 2

Answer:

$( {a - b)}^{2} = ...... \\ solve.. \\ (a - b)(a - b) \\ a(a - b) - b(a - b) \\ {a}^{2} - ab - ba + {b}^{2} \\ {a}^{2} - 2ab + {b}^{2}$

hope its help you...