Practice problem
If an=3e−na_n = 3e^{-n}an=3e−n and bn=2n+12nb_n = \frac{2n+12}{n}bn=n2n+12, then what is limn→∞anbn\lim_{n \to \infty} a_nb_nlimn→∞anbn?
6
8
10
12
Type a concept, like “slope” or “photosynthesis”.