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Co - ordinate Geometry Pair of Lines

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The lines joining the origin to the points of intersection of the line y = mx + c and the circle x² + y² = a² will be mutually perpendicular, if

A. a² (m² + 1) = c

B. a² (m² - 1) = c²

C. a² (m² + 1) = c²

D. a² (m² + 1) = 2c²

E. None of the above

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Correct choice: C

Explanation:

None

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Eamcet Mathematics Co - ordinate Geometry Pair of Lines

Eamcet Mathematics
Co - ordinate Geometry Pair of Lines