Which condition is sufficient for ∑n=1∞an\sum_{n=1}^{\infty} a_n∑n=1∞an to converge if an≥0a_n \geq 0an≥0?
limn→∞an=0\lim_{n \to \infty} a_n = 0limn→∞an=0
The sequence of partial sums is bounded
∑an2\sum a_n^2∑an2 converges
{an}\{a_n\}{an} is monotonically decreasing