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SSC Sample Paper Mock Test-8 SSC CGL Tear-II Paper-1

  • question_answer
    In a\[\Delta ABC,\]the bisectors of angles B and C lie along the lines \[x=y\]and y = 0. If A is (1, 2), then the equation of line BC is

    A)  \[2x+y=1\]

    B)  \[3x-y=5\]

    C)  \[x-2y=3\]

    D)  \[x+3y=1\]

    Correct Answer: B

    Solution :

    Reflections of A in the two angle bisectors will lie on the line BC, so (2, 1) and \[(1,-\,\,2)\]will lie on BC. \[y+2=\left( \frac{1+2}{2-1} \right),\]\[(x-1)\]i.e., \[3x-y=5\]


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