Question

dada a função f(x) = log a x = In x / In a , marque a alternativa que apresenta a derivada f´(x)

Answer 1

$f(x)= \log_{a} x = \frac{ln x}{ln a}$

$f'(x)= \frac{1}{x} \frac{1}{ln a}$

$f'(x)= \frac{1}{xln a}$