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Locus of the point of intersection of perpendicular tangents to the circle ` x^(2)+y^(2)=16` isA. `x^(2)+y^(2)=8`B. `x^(2)+y^(2)=32`C. `x^(2)+y^(2)=64`D. `x^(2)+y^(2)=16` |
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Answer» Correct Answer - B We know that that , if two perpendicular tangents to the circle ` x^(2)+y^(2)=a^(2)` meet at P, then the point P lies on a director circle. `:.` Required locus is ` x^(2)+y^(2)=32` |
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