Multiple Choice Questions on A sphere of constant radius r through the origin intersects the coordinates axes in A B and C What i........... for NDA Exam Preparation

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Multiple Choice Questions

A sphere of constant radius r through the origin intersects the coordinates axes in A B and C What i...........

Mathematics (NDA) Coordinate Geometry
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    A sphere of constant radius r through the origin intersects the coordinates axes in A, B and C. What is the locus of the centroid of the triangle ABC?

    x2 + y2 + z2 = r2

    Incorrect Answer

    x2 + y2 + z2 = 4r2

    Incorrect Answer

    9(x2 + y2 + z2) = 4r2

    Correct Answer

    3(x2 + y2 + z2) = 2r2

    Incorrect Answer
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