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The angle between a pair of tangents dra...

The angle between a pair of tangents drawn from a point P to the circle `x^2+y^2+4x-6y+9sin^2alpha+13cos^2alpha=0" is "2alpha`. The equation of the locus of the point P is

A

`x^2+y^2+4x+6y+9=0`

B

`x^2+y^2-4x+6y+9=0`

C

`x^2+y^2-4x-6y+9=0`

D

`x^2+y^2+4x-6y+9=0`

Text Solution

Verified by Experts

The correct Answer is:
D
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