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

  • question_answer
    The number of circles touching the line \[y-x=0\] and the y-axis is

    A)            Zero                                          

    B)            One

    C)            Two                                          

    D)            Infinite

    Correct Answer: D

    Solution :

               Infinite, as there is a family of co-axial circles. 


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