| a |
| 3 |
| b |
| 1 |
| 2 |
| ||
| 2 |
| x |
| a |
| b |
| y |
| a |
| b |
| x |
| y |
| 3 |
| 4 |
| a |
| 3 |
| b |
| 1 |
| 2 |
| ||
| 2 |
| a |
| b |
| ||
| 2 |
| ||
| 2 |
| a |
| b |
| t3-3t |
| 4 |
| 3t2-3 |
| 4 |
| 3(t+1)(t-1) |
| 4 |
| t3-3t |
| 4 |
| 3t 2-3 |
| 4 |
| t3-3t |
| 4 |
| 3t2-3 |
| 4 |
| t3-3t |
| 4 |
| 3t2-3 |
| 4 |
| 3 |
| 4 |
| a |
| 3 |
| b |
| 1 |
| 2 |
| ||
| 2 |
| a |
| b |
| ||
| 2 |
| ||
| 2 |
| a |
| 3+1 |
| b |
|
| x |
| a |
| b |
| 3 |
| t2-3 |
| 2 |
| ||||
| 2 |
t2-3+2
| ||
| 2 |
| ||||
| 2 |
| y |
| a |
| b |
| 3 |
| 1 |
| 2 |
| ||
| 2 |
| 1 |
| 2 |
| 3 |
| ||
| 2 |
| x |
| y |
| t3-3t |
| 4 |
| t3-3t |
| 4 |
| 3t2-3 |
| 4 |
| 3(t+1)(t-1) |
| 4 |
| t3-3t |
| 4 |
| 3t 2-3 |
| 4 |
| t3-3t |
| 4 |
| 3t2-3 |
| 4 |
| t3-3t |
| 4 |
| 3t2-3 |
| 4 |
| 3a |
| 4 |
| a3-3a |
| 4 |
| 3 |
| 4 |
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