Comparison test: If 0 <= a_n <= b_n and the sum of b_n converges, then the sum of a_n converges. If a_n >= c_n >= 0 and the sum of c_n diverges, then the sum of a_n diverges.
How to apply it: Compare with a known convergent or divergent series (geometric or p-series).
Course: AP Calculus BC · Unit: Infinite Sequences and Series
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