| 1 |
| 2 |
| 1 |
| 2 |
| x1+x2 |
| 2 |
| a(lnx2-lnx1) |
| x2-x1 |
| x2 |
| x1 |
| m |
| x |
| 1 |
| 2 |
| 5 |
| x |
| x2-6x+5 |
| x |
| (x-1)(x-5) |
| x |
| 1 |
| 2 |
| 11 |
| 2 |
| 1 |
| 2 |
| 35 |
| 2 |
| 35 |
| 2 |
| 11 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
|
| a(lnx2-lnx1) |
| x2-x1 |
| a |
| x0 |
| 2a |
| x1+x2 |
| a(lnx2-lnx1) |
| x2-x1 |
| 2a |
| x1+x2 |
| a |
| x2-x1 |
| x2 |
| x1 |
| 2(x2-x1) |
| x1+x2 |
| a |
| x2-x1 |
| x2 |
| x1 |
2(
| ||
1+
|
| x2 |
| x1 |
| a |
| x2-x1 |
| 2(t-1) |
| 1+t |
| 2(t-1) |
| 1+t |
| 1 |
| t |
| 4 |
| (1+t)2 |
| (1-t)2 |
| t(1+t)2 |
| 2(t-1) |
| 1+t |
| 2(t-1) |
| 1+t |
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