Which condition is sufficient to guarantee that ∑n=1∞an\sum_{n=1}^{\infty} a_n∑n=1∞an converges if an>0a_n > 0an>0 and limn→∞nan=L\lim_{n \to \infty} n a_n = Llimn→∞nan=L?
L=0L = 0L=0
L<1L < 1L<1
LLL exists and is finite
None of the above