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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
    The locus of a first degree equation in \[x,y,z\]is a

    A)            Straight line

    B)            Sphere

    C)            Plane

    D)            None of these

    Correct Answer: C

    Solution :

               \[Ax+By+Cz+D=0\] always represents a plane.


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