Question

using appropriate identity find a^2- (y ÷ 121)^​

Answer 1

Step-by-step explanation:

Given that:-

a²-(y/121)²

This is in the form of a²-b²

Here, a=a and b=y/121

a²-b²=(a+b)(a-b)

=>a²-(y/121)²

=>(a+y/121)(a-y/121)

a²-(y/121)=(a + y/121)(a - y/121)