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

  • question_answer
    A line passes through the point (3, 5) and make an angle of \[135{}^\circ \]with the x- axis the equation of the line is

    A)  \[x+y-8=0\]     

    B)  \[x-y+8=0\]

    C)  \[x-y-8=0\]                  

    D)  \[{{x}^{2}}-y+8=0\]

    Correct Answer: A

    Solution :

    The equation of the line is \[\frac{y-5}{x-3}=\tan 135{}^\circ \] \[\frac{y-5}{x-3}=\tan (180{}^\circ -45{}^\circ )\] \[\frac{y-5}{x-3}=-\tan 45{}^\circ \] \[y-5=-\,\,(x-3)\] \[y-5=-x+3\] \[x+y-8=0\]


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