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Co - ordinate Geometry Ellipse

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The equation of an ellipse whose focus (–1, 1), whose directrix is x-y+3=0 and whose eccentricity is 1/2, is given by

A. 7x² + 2xy + 7y² + 10x - 10y + 7= 0

B. 7x² - 2xy + 7y² - 10x + 10y + 7= 0

C. 7x² - 2xy + 7y² - 10x - 10y - 7= 0

D. 7x² - 2xy + 7y² + 10x + 10y - 7= 0

E. None of the above

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Correct choice: A

Explanation:

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Eamcet Mathematics Co - ordinate Geometry Ellipse

Eamcet Mathematics
Co - ordinate Geometry Ellipse