Multiple Choice Questions on The length of the normal from origin to the plane x 2y minus 2 z 9 is equal to ........ for NDA Exam Preparation

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Multiple Choice Questions

The length of the normal from origin to the plane x 2y minus 2 z 9 is equal to ........

Mathematics (NDA) Coordinate Geometry
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    The length of the normal from origin to the plane x + 2y − 2 z = 9 is equal to-

    2 units

    Incorrect Answer

    3 units

    Correct Answer

    4 units

    Incorrect Answer

    5 units

    Incorrect Answer
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    Explanation:

    The length of the normal from origin to the plane = 9 / √12 +22 + (−2)2 = 3 

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