Home/Calculus II/Sequences and series/Absolute and conditional convergenceSection 14.9Absolute and conditional convergenceIf ∑∣an∣\sum|a_n|∑∣an∣ converges, then ∑an\sum a_n∑an converges absolutely.If ∑an\sum a_n∑an converges, but ∑∣an∣\sum|a_n|∑∣an∣ diverges, the convergence is conditional.