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

  • question_answer
    If \[f(x)=\log \left[ \frac{1+x}{1-x} \right],\] then \[f=\left[ \frac{2x}{1-{{x}^{2}}} \right]\]  is equal to

    A)  \[{{[f\,\,(x)]}^{2}}\]                

    B)  \[{{[f\,\,(x)]}^{3}}\]

    C)  \[2f\,\,(x)\]

    D)  \[3f\,\,(x)\]

    E)  None of these

    Correct Answer: C

    Solution :

    Not Available                


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