JEE Main & Advanced Mathematics Differentiation Question Bank Derivative at a point Standard Differentiation

  • question_answer
    If \[y=\sqrt{\sin \sqrt{x}}\],  then \[\frac{dy}{dx}=\]                                                        [MP PET 1997]

    A)            \[\frac{1}{2\sqrt{\cos \sqrt{x}}}\]

    B)  \[\frac{\sqrt{\cos \sqrt{x}}}{2x}\]

    C)  \[\frac{\cos \sqrt{x}}{4\sqrt{x}\sqrt{\sin \sqrt{x}}}\]

    D)  \[\frac{1}{2\sqrt{\sin x}}\]

    Correct Answer: C

    Solution :

               \[\frac{dy}{dx}=\frac{1}{2\sqrt{\sin \sqrt{x}}}\times \cos \sqrt{x}\times \frac{1}{2\sqrt{x}}\].


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