Let P be a point on the parabola, x^2 = 4y. If the distance of P from the centre of the circle x^2 + y^2 + 6x...

Question

Let P be a point on the parabola, x^2 = 4y. If the distance of P from the centre of the circle x^2 + y^2 + 6x + 8 = 0 is minimum, then the equation of the tangent to the parabola at P, is -

Accepted Answer

(C)

JEE Main 2018 Mathematics question

Solution