题目内容
计算:
=______.
| lim |
| n→∞ |
| 22n+1-3n+1 |
| 22n+3n |
:
=
=
=2.
故答案为:2.
| lim |
| n→∞ |
| 22n+1-3n+1 |
| 22n+3n |
=
| lim |
| n→∞ |
| 2×4n-3×3n |
| 4n+3n |
=
| lim |
| n→∞ |
2-3×(
| ||
1+(
|
=2.
故答案为:2.
练习册系列答案
相关题目