Think About It In Exercises 7982, LHpitals Rule is used incorrectly. Describe the error
Chapter 8, Problem 81(choose chapter or problem)
Think About It In Exercises 79-82, L’Hôpital’s Rule is used incorrectly. Describe the error.
\(\begin{array}{l} \lim _{x \rightarrow \infty} \frac{e^{-x}}{1+e^{-x}}=\lim _{x \rightarrow \infty} \frac{-e^{-x}}{-e^{-x}} \\ =\lim _{x \rightarrow \infty} 1 \\ =1 \end{array}\)
Text Transcription:
lim_x rightarrow infinity e^-x/1+e^-x=lim_x rightarrow infinity -e^-x/-e^-x
=lim_x rightarrow infinity 1
=1
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