A line parallel to the straight line 2x – y = 0 is tangent to the hyperbola x^2 4 - y^2 2 =1 at the point...

Question

A line parallel to the straight line 2x – y = 0 is tangent to the hyperbola x^2 4 - y^2 2 =1 at the point (x_1, y_1). Then x_1^2+5y_1^2 is equal to:

Accepted Answer

(B)

JEE Main 2020 Mathematics question