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12th Class Mathematics Sample Paper Mathematics Olympiad - Sample Paper-1

  • question_answer
    The number of real solutions of the equation  \[\sqrt{1+\cos 2x}=\sqrt{2}{{\cos }^{-1}}(cos\,x)\] in \[\left[ \frac{\pi }{2},\pi  \right]\]is

    A)  0               

    B)  1              

    C)  2                    

    D)  infinite

    Correct Answer: A

    Solution :

    Not Available  


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