计算: lim n→∞ 2 2n+1 - 3 n+1 2 2n + 3 n =______

计算: lim n→∞ 2 2n+1 - 3 n+1 2 2n + 3 n =______.
2025-06-27 20:54:58
推荐回答(1个)
回答1:

lim
n→∞
2 2n+1 - 3 n+1
2 2n + 3 n

=
lim
n→∞
4 n -3× 3 n
4 n + 3 n

=
lim
n→∞
2-3× (
3
4
)
n
1+ (
3
4
)
n

=2.
故答案为:2.