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Co - ordinate Geometry Hyperbola

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If the staright line x cosα + ysinα = p be a tangent to the hyperbola x² / a² - y² / b² = 1, then

A. a² cos² α + b² sin² α = p²

B. a² cos² α - b² sin² α = p²

C. a² sin² α + b² cos² α = p²

D. a² sin² α - b² cos² α = p²

E. None of the above

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Correct choice: B

Explanation:

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Eamcet Mathematics Co - ordinate Geometry Hyperbola

Eamcet Mathematics
Co - ordinate Geometry Hyperbola