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Multiple Choice Questions

The angle between a pair of tangents drawn from a point T to the circle x2 y2 4x 6y 9...........

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The angle between a pair of tangents drawn from a point T to the circle

x² +y²+ 4x - 6y +9 sin² $\alpha$ +13 cos² $\alpha$ =0 is 2a. The equation of the locus of the point T is

x² +y² + 4x - 6y +4 = 0

x² +y² + 4x - 6y - 9 = 0

x² +y² + 4x - 6y - 4 = 0

x² +y² + 4x - 6y +9 = 0

Explanation:

x² +y² + 4x - 6y +9 = 0

By: Swaminath Yadav

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