Question

Marque a alternativa correta:


a) $\frac{d}{dx}x.log x = e.log (ex).$

b) $\frac{d}{dx} x^{2}. log_{5} x = log_{5} (e. x^{2}) ^{x}$

c) $\frac{d}{dx} log_{3}x= \frac{1}{ln3}.$

d) $\frac{d}{dx} 3^{x} = 3. ln_{3}.$

e) $\frac{d}{dx} e^{3x} = e^{3x}.$

Answer 1

a resposta correta é a letra (B)