Question

Expanded form of (a-b)²

Answer 1

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

Answer 2

Hello Mortals

( a - b) ²

= a² + b² - 2ab

You can do this as :-

( a - b) ²
= ( a - b) ( a - b)
= a ( a - b) - b ( a - b)
= a² - ab - ab + b²
= a² - 2ab + b²