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11th Class Mathematics Sample Paper Maths Olympiad Model Paper-9

  • question_answer
    Radius of the circle \[{{x}^{2}}+{{y}^{2}}+2x\,\cos \theta +2y\,\sin \theta -8=0\] is.

    A)  1                                

    B)  3

    C)  \[2\,\sqrt{3}\]               

    D)  \[\sqrt{10}\]

    E)  None of these

    Correct Answer: B

    Solution :

     Not Available


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