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The coordinates of the focus of an ellip...

The coordinates of the focus of an ellipse are (1,2) and eccentricity is `(1)/(2)` , the equation of its directrix is 3x + 4y - 5 = 0 . Find the equation of the ellipse.

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The correct Answer is:
`91 x^(2) +84y^(2) - 24xy - 170 x - 360 y + 475 = 0 `
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