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Co - ordinate Geometry Circles

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The tangent at P, any point on the circle x²+y²=4 , meets the coordinate axes in A and B, then

A. Length of AB is constant

B. PA and PB are always equal

C. The locus of the mid point of AB is x²+y²=x²y²

D. Length of AB is not constant

E. None of the above

View Answer

Correct choice: C

Explanation:

Let p(x₁,y₁)be a point on x²+y²=4

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Eamcet Mathematics Co - ordinate Geometry Circles

Eamcet Mathematics
Co - ordinate Geometry Circles