Solved: In Exercises 8387, LHpitals Rule is used incorrectly. Describe the error
Chapter 8, Problem 86(choose chapter or problem)
Think About It In Exercises 83–87, L’Hôpital’s Rule is used incorrectly. Describe the error.
Latex Transcription:
\(\begin{aligned}
\lim _{x \rightarrow \infty} x \cos \frac{1}{x} &=\lim _{x \rightarrow \infty} \frac{\cos (1 / x)}{1 / x} \\
&=\lim _{x \rightarrow \infty} \\
&=0
\end{aligned}
\)
Text Transcription:
lim _x rightarrow infty x cos 1 x &=lim _x rightarrow infty cos 1 / x 1 / x
= lim _x rightarrow infty
=0
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