JEE MATHEMATICS MCQ: DIFFERENTIATION

1 Easy

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Application +4 | -1

Derivative of the function

f(x)=\log _{5}\left(\log _{7} x\right), x > 7

View answer and explanation

Correct option: A

\frac{1}{x(\ln 5)(\ln 7)\left(\log _{7} x\right)}

Option A (

\frac{1}{x(\ln 5)(\ln 7)(\log _{7} x)}

) is correct because it is the result of applying the chain rule and change of base formula for logarithms.

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