- $\rhd$ Direct comparison test (4:30) An introduction.
- $\rhd$ Worked example: direct comparison test. (4:54) Determine whether the series converges or diverges: $\displaystyle\sum_{n=1}^{\infty}\dfrac{1}{2^n+n}$.
- * Practice: Direct comparison test. (4 problems)
- $\rhd$ Limit comparison test (6:52) Determine whether the series converges or diverges: $\displaystyle\sum_{n=1}^{\infty}\dfrac{1}{2^n+1}$.
- $\rhd$ Worked example: limit comparison test. (7:18). What series should we use in the limit comparison test in order to determine whether $\displaystyle\sum_{n=1}^{\infty}\dfrac{2^n}{3^n-1}$ converges?
- * Practice: Limit comparison test. (4 problems)
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