Question
Find the limits.$$\lim _{x \rightarrow+\infty} \frac{e^{x}+e^{-x}}{e^{x}-e^{-x}}$$
Step 1
This gives us: $$ \lim _{x \rightarrow+\infty} \frac{e^{x}+e^{-x}}{e^{x}-e^{-x}} = \lim _{x \rightarrow+\infty} \frac{1+e^{-2x}}{1-e^{-2x}} $$ Show more…
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