CBSE BoardEnglish MediumSTD 12 ScienceApplied MathsDifferentiation and it's Applications2 Marks
Question
Check whether the function g(x) = log x is maxima or minima.
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Answer
g(x) = log x $\therefore \quad g^{\prime}(x)=\frac{1}{x}$ Since log(x) is defined for a positive number x, g'(x) > 0 for any x. Therefore, there does not exist $c \in R$ such that $g^{\prime}(c)$ Hence, function g does not have maxima or minima.
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