Multiple Choice Questions on The position of the point 1 2 relative to the ellipse 2x2 7y2 20 is ........ for NDA Exam Preparation

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Multiple Choice Questions

The position of the point 1 2 relative to the ellipse 2x2 7y2 20 is ........

Mathematics (NDA) Coordinate Geometry
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    The position of the point (1, 2) relative to the ellipse 2x2 + 7y2 = 20 is-

    outside the ellipse

    Correct Answer

    inside the ellipse but not at the focus

    Incorrect Answer

     on the ellipse

    Incorrect Answer

    at the focus 

    Incorrect Answer
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    Explanation:

    2 x2 + 7 y2 – 20 = 0

    Put x = 1, y = 2

    2 + 28 – 20 = 10 > 0

    ∴ (1, 2) lies outside the ellipse.

    By: Yachna
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