题目内容
| lim |
| x→1 |
| |||
| x-1 |
由罗比达法则可得
=
=
=
.
故答案为:
.
| lim |
| x→1 |
| |||
| x-1 |
| lim |
| x→1 |
| ||||
| 1-0 |
| ||
| 1-0 |
| 1 |
| 3 |
故答案为:
| 1 |
| 3 |
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已知
(
+
)=2,则a=( )
| lim |
| x→∞ |
| 2 |
| x-1 |
| ax-1 |
| 3x |
| A、1 | B、2 | C、3 | D、6 |