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JEE Main & Advanced Mathematics Straight Line Question Bank Angle between two straight lines, Bisector of angle between two lines

  • question_answer
    The lines \[y=2x\]and \[x=-2y\]are          [MP PET 1993]

    A) Parallel     

    B) Perpendicular

    C) Equally inclined to axes                     

    D) Coincident

    Correct Answer: B

    Solution :

    Since \[{{m}_{1}}{{m}_{2}}=(2)\text{ }\left( -\frac{1}{2} \right)=-1\].


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