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JEE Advanced Mathematics question

MathematicsApplication of DerivativesJEE Advanced

For the function ,

Answer: (B),(C),(D)

Solution

f'(x) = Missing argument for \frac\frac1x + x·(-Missing argument for \frac\frac1x)·(-Missing argument for \frac\frac1{}) = Missing argument for \frac\frac1x + Missing argument for \frac\frac1xMissing argument for \frac\frac1x.

- (b): as , , so . True. - (d): \dfrac{1}{x^2}$Missing argument for \dfrac\dfrac1x - Missing argument for \dfrac\dfrac1{}Missing argument for \dfrac\dfrac1x - Missing argument for \dfrac\dfrac1x =

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Question ID VK-110726