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Let P be a point on parabola x ^ 2 ...

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

A

`x+4y-2=0`

B

`x+y+1=0`

C

`x-y+3=0`

D

`x+2y=0`

Text Solution

Verified by Experts

The correct Answer is:
B
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