Question

X=5/2 ,Y=-3/4 find (X+Y)/(X-Y)​

Answer 1

Answer:

(5/2 + 3/4) (5/2 - 3/4)

= (5/2)² - (3/4)²

This is the identity of : a² - b² = (a+b) (a-b).

I hope it will help you.

Answer 2

Answer:

x=5/2

y=3/4

(x+y)(x-y)

(5/2+3/4)(5/2-3/4)

(8/4)(8/4)

ans=0

because X and y value is same