Question

A and b are square matrix of same order (a+b)(a-b) is equal to?..

Answer 1

a^2-b^2

it is just a Identity

Answer 2

A and b are square matrix of same order, then (a+b)(a-b) is equal to?..

ANS ]

⭕

(a + b)(a - b) = {a}^{2} - {b}^{2}