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Co - ordinate Geometry Circles

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Square of the length of the tangent drawn from the point(α, β ) is to the circle ax²+ ay² = r²is

A. aα² + aβ² - r²

B. α² + β² - r²_/a

C. α² + β² + r²_/a

D. α² + β² + r²

E. None of the above

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Correct choice: B

Explanation:

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Eamcet Mathematics Co - ordinate Geometry Circles

Eamcet Mathematics
Co - ordinate Geometry Circles