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JEE Main & Advanced Mathematics Conic Sections Question Bank Ellipse

  • question_answer
    The equation \[14{{x}^{2}}-4xy+11{{y}^{2}}-44x-58y+71=0\] represents             [BIT Ranchi 1986]

    A)            A circle                                      

    B)            An ellipse

    C)            A hyperbola                               

    D)            A rectangular hyperbola

    Correct Answer: B

    Solution :

               Check \[\Delta \ne 0\]and\[{{h}^{2}}<ab\].


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