Given:
an = [6 n/(-4 n + 9)]
for both of the following answer blanks, decide whether the given sequence or series is convergent or divergent. if convergent, enter the limit (for a sequence) or the sum (for a series). if divergent, enter inf if it diverges to infinity, minf if it diverges to minus infinity, or div otherwise.
(a) the sequence {an }
(b) the series ∑n=1[infinity]( an