1+x |
x-1 |
x2+1 |
x2-1 |
x1+1 |
x1-1 |
(x2+1)(x1-1) |
(x2-1)(x1+1) |
x1x2+x1-x2-1 |
x1x2-x1+x2-1 |
x1x2+x1-x2-1 |
x1x2-x1+x2-1 |
x+1 |
x-1 |
x+1 |
x-1 |
2 |
x-1 |
a+1 |
a-1 |
|
|
a+1 |
a-1 |
|
3 |
|
3-
| ||
3+
| ||
4 |
3+
| ||
4 |
|
3+
| ||
4 |
1 |
2 |
4x-1 |
2x+1 |
2 |
2 |
3 |
1 |
2 |
1 |
2 |
3 |
2 |
1 |
2 |
A.1 | B.2 | C.3 | D.4 |
1 |
200 |
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