JEE Main & Advanced Mathematics Circle and System of Circles Question Bank Tangent and normal to a circle

  • question_answer
    Position of the point (1, 1) with respect to the circle \[{{x}^{2}}+{{y}^{2}}-x+y-1=0\] is                                  [MP PET 1986, 90]

    A)            Outside the circle                     

    B)            Upon the circle

    C)            Inside the circle                        

    D)            None of these

    Correct Answer: A

    Solution :

               \[{{S}_{1}}>0\], hence point lies outside.


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