| lnx |
| x |
| f(x2)-f(x 1) |
| x2-x1 |
| x1x2 |
| f(x2)-f(x 1) |
| x2-x1 |
| 1-lnx0 |
| x02 |
| 1-lnx |
| x2 |
| x1x2 |
| x1x2 |
| lnx |
| x |
| 1-lnx |
| x2 |
| lne |
| e |
| 1 |
| e |
| 1 |
| e |
| 1 |
| e |
| f(x2)-f(x1) |
| x2-x1 |
| 1-lnx0 |
| x02 |
| f(x2)-f(x1) |
| x2-x1 |
| 1-lnx0 |
| x02 |
| 1-lnx |
| x2 |
| 2lnx-3 |
| x3 |
| x1x2 |
1-ln
| ||
| x1x2 |
1-ln
| ||
| x1x2 |
| lnx2 |
| x2 |
| lnx1 |
| x1 |
| 1 |
| x1 |
|
| 1 |
| x2 |
|
| x2 |
| x1 |
| x1x2 |
| 1 |
| x2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| t-tlnt-1 |
| 2t |
| x1x2 |
| 1 |
| x2 |
| x1x2 |
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