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?Find the limit or show that it does not exist.\(\lim _{r \rightarrow \infty}
Chapter 2, Problem 19(choose chapter or problem)
Find the limit or show that it does not exist.
\(\lim _{r \rightarrow \infty} \frac{r-r^{3}}{2-r^{2}+3 r^{3}}\)
Questions & Answers
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QUESTION:
Find the limit or show that it does not exist.
\(\lim _{r \rightarrow \infty} \frac{r-r^{3}}{2-r^{2}+3 r^{3}}\)
ANSWER:Step 1 of 2
Consider the given function as
\(\lim _{r \rightarrow \infty} \frac{r-r^{3}}{2-r^{2}+3 r^{3}}\)
Divide both the numerator and the denominator by the highest power of r of the denominator.
\(\begin{aligned} \lim _{r \rightarrow \infty} \frac{r-r^{3}}{2-r^{2}+3 r^{3}} & =\lim _{r \rightarrow \infty} \frac{\frac{r}{r^{3}}-\frac{r^{3}}{r^{3}}}{\frac{2}{r^{3}}-\frac{r^{2}}{r^{3}}+3 r^{3}} \\ & =\lim _{r \rightarrow \infty} \frac{\frac{1}{r^{2}}-1}{\frac{2}{r^{3}}-\frac{r^{2}}{r^{3}}+\frac{3 r^{3}}{r^{3}}} \end{aligned}\)
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Review this written solution for 1066256) viewed: 39 isbn: 9781337613927 | Calculus: Early Transcendentals - 9 Edition - Chapter 2.6 - Problem 19
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