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12th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-10

  • question_answer
    \[\int\limits_{\frac{-\pi }{2}}^{\pi /2}{\cos x\,\,In\left( \frac{1+x}{1-x} \right)}\,\,dx\]is equal to ________.

    A)  0        

    B)  \[\frac{{{\pi }^{2}}}{4}\left( -1+\frac{\pi }{2} \right)\]

    C)  1                                

    D)  \[\frac{{{\pi }^{2}}}{2}\]           

    E)  None of these

    Correct Answer: A

    Solution :

    Not Available                


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