Question

Using identity, Find the product :-
1. (4a - 3b) 2. (5a + 1) (5a - 1)​

Answer 1

Answer:

2.5a^2-1^2

Step-by-step explanation:

by the identity (a square - b square)

Answer 2

$2. 25 {a}^{2} - 1$

Step-by-step explanation:

By using the identity

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