2x |
4x+1 |
2x |
4x+1 |
2x 1 |
4x1+1 |
2x2 |
4x2+1 |
(2x2-2x1)(2x1+x2-1) |
( 4x1+1)(4x2+1) |
2x |
4x+1 |
|
1 |
2 |
1 |
2 |
1 |
2 |
2 |
5 |
2 |
5 |
1 |
2 |
3 |
4 |
7 |
10 |
3 |
10 |
1 |
4 |
1 |
2 |
|
2 |
2 |
3 |
4 |
A.(1)(2) | B.(1)(3) | C.(2)(3) | D.(3)(4) |
x
| ||||
5 |
x
| ||||
5 |
1-22009x |
1+x |
A.
| B.
| C.0 | D.-2 |
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