Question

expand using identities :- (√x/y - √x/y)^2 with steps​

Answer 1

Answer:

a=√x/y

b=√x/y

by using the identity (a-b)^2=a^2+b^2-2ab

Step-by-step explanation:

(√x/y - √x/y)^2=(√x/y)^2+(√x/y)^2-2(√x/y)(√x/y)

=x/y^2+x/y^2-2x/y^2

=2x-2x/y

=0/y

=0