If the series ∑n=1∞an\sum_{n=1}^{\infty} a_n∑n=1∞an converges, which statement MUST be true?
limn→∞an=0\lim_{n \to \infty} a_n = 0limn→∞an=0
The sequence {an}\{a_n\}{an} is decreasing
an>0a_n > 0an>0 for all nnn
The series converges absolutely