If x = u^2 − v^2, y = 2uv and z = u^2 + v^2, and if x = 11, what is the value of z? GMAT Explanation
If x = u^2 − v^2, y = 2uv and z = u^2+v^2, and if x = 11, what is the value of z?
(1) y = 60
(2) u = 6
Correct Answer: D
If x = u^2 − v^2, y = 2uv and z = u^2+v^2, and if x = 11, what is the value of z?
(1) y = 60
(2) u = 6
Correct Answer: D