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JEE Main & Advanced Mathematics Pair of Straight Lines Question Bank Angle between the pair of straight lines, Condition for parallel and perpendicular lines

  • question_answer
    The lines represented by the equation \[{{x}^{2}}+2\sqrt{3}xy+3{{y}^{2}}-3x-3\sqrt{3}y-4=0\], are

    A)            Perpendicular to each other

    B)            Parallel

    C)            Inclined at \[{{45}^{o}}\]to each other

    D)            None of these

    Correct Answer: B

    Solution :

               Since\[{{h}^{2}}-ab=0\]. Therefore, the lines are parallel.


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