1 |
2 |
1 |
2 |
x-1 |
x+1 |
1 |
2 |
1 |
2 |
1 |
2 |
(
| ||
(
|
1-4t |
1+4t |
1-4x |
1+4x |
1-4-x |
1+4-x |
1-
| ||
1+
|
4x-1 |
1+4x |
1-4x |
1+4x |
1-4x1 |
1+4x1 |
1-4x2 |
1+4x2 |
(1-4x1)(1+4x2)-(1-4x2)(1+4x1) |
(1+4x1)(1+4x2) |
2(4x2-4x1) |
(1+4x1)(1+4x2) |
2(4x2-4x1) |
(1+4x1)(1+4x2) |
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