RAJASTHAN ­ PET Rajasthan PET Solved Paper-2004

  • question_answer
    If\[y=log\text{ }{{x}^{10}},\]then\[\frac{dy}{dx}\]is equal to

    A)  \[10{{x}^{2}}\]

    B)  \[\frac{10}{x}\]

    C)  \[10x\]            

    D)  None of these

    Correct Answer: B

    Solution :

     Given, \[y=log\text{ }{{x}^{10}}\] \[\Rightarrow \] \[y=10logx\] On differentiating w.r.t.\[x,\] \[\frac{dy}{dx}=\frac{10}{x}\]


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