Functions Question 184

Question: The value of $ \underset{x\to \infty }{\mathop{\lim }},\frac{\log x}{x^{n}},\ n>0 $ is

Options:

A) $ 0 $

B) $ 1 $

C) $ \frac{1}{n} $

D) $ \frac{1}{n!} $

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Answer:

Correct Answer: A

Solution:

$ \underset{x\to \infty }{\mathop{\lim }}\frac{\log x}{x^{n}}=\underset{x\to \infty }{\mathop{\lim }}\frac{1}{nx^{n}}=0 $ (By L-Hospital’s rule)