题目内容
| lim |
| x→1 |
| x2-1 |
| 2x2-x-1 |
| lim |
| x→1 |
| x2-1 |
| 2x2-x-1 |
| lim |
| x→1 |
| (x+1)(x -1) |
| (2x+1)(x-1) |
| lim |
| x→1 |
| x+1 |
| 2x+1 |
| 2 |
| 3 |
故答案为：
| 2 |
| 3 |
练习册系列答案
相关题目
故答案为：
题目内容
| lim |
| x→1 |
| x2-1 |
| 2x2-x-1 |
| lim |
| x→1 |
| x2-1 |
| 2x2-x-1 |
| lim |
| x→1 |
| (x+1)(x -1) |
| (2x+1)(x-1) |
| lim |
| x→1 |
| x+1 |
| 2x+1 |
| 2 |
| 3 |
| 2 |
| 3 |