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

  • question_answer
    Equation of angle bisectors between x and y -axes are [MP PET 1984]

    A)            \[y=\pm x\]                              

    B)            \[y=\pm 2x\]

    C)            \[y=\pm \frac{1}{\sqrt{2}}x\]       

    D)  \[y=\pm 3x\]

    Correct Answer: A

    Solution :

    Equations of angle bisectors between x and y-axis are \[x+y=0\] and\[x-y=0\], \[(\because \theta ={{45}^{o}}\]or \[{{135}^{o}})\]or \[y=\pm x\].


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