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12th Class Mathematics Sample Paper Mathematics Olympiad - Sample Paper-5

  • question_answer
    The number of positive integral solutions of the equation \[{{\tan }^{-1}}x+co{{x}^{-1}}\frac{y}{\sqrt{1+{{y}^{2}}}}={{\sin }^{-1}}\frac{3}{\sqrt{10}}\]is_.

    A)  One                

    B)  Two          

    C)  Zero                

    D)  None of these

    Correct Answer: B

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