JEE Main & Advanced Mathematics Circle and System of Circles Question Bank Equations of circle, Geometrical problems regarding circle

  • question_answer
    The equation \[{{x}^{2}}+{{y}^{2}}+4x+6y+13=0\] represents [Roorkee 1990]

    A)            Circle

    B)            Pair of coincident straight lines

    C)            Pair of concurrent straight lines

    D)            Point

    Correct Answer: D

    Solution :

               Point circle (\[\because \] radius is zero).


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