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JEE Main & Advanced Mathematics Three Dimensional Geometry Question Bank System of Co-ordinates, Direction cosines and direction ratios, Projection

  • question_answer
    xy-plane divides the line joining the points (2, 4, 5) and        (? 4, 3, ? 2) in the ratio [MP PET 1988]

    A)            3 : 5

    B)            5 : 2

    C)            1 : 3

    D)            3 : 4

    Correct Answer: B

    Solution :

               Required ratio\[=-\left( \frac{5}{-2} \right)=\frac{5}{2}\] i.e., 5 : 2.


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