JEE Main2019Math
Q.
Equation of a common tangent to the parabola y2 = 4x and the hyperbola xy = 2 is :
- A
4x + 2y + 1 = 0
- B
x + 2y + 4 = 0
- C
x – 2y + 4 = 0
- D
x + y + 1 = 0
Solution

Equation of a common tangent to the parabola y2 = 4x and the hyperbola xy = 2 is :
4x + 2y + 1 = 0
x + 2y + 4 = 0
x – 2y + 4 = 0
x + y + 1 = 0
