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

  • question_answer
    For the circle \[{{x}^{2}}+{{y}^{2}}+3x+3y=0\], which of the following relations is true

    A)            Centre lies on x-axis               

    B)            Centre lies on y-axis

    C)            Centre is at origin                    

    D)            Circle passes through origin

    Correct Answer: D

    Solution :

               If \[c=0\]; circle passes through origin.


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