If x≠0 , x=√(4xy-4y2), then in terms of y, x = ?

If x≠0 , x=√(4xy-4y²), then in terms of y, x = ?

A 2y

B y

C y/2

D -2y

Solution

Correct Answer: Option A

x=√(4xy-4y2) x2 = 4xy - 4y2 x2 - 4xy + 4y2 =0 (x-2y)2 =0 x-2y=0 x=2y