2x2+bx+c |
x2+1 |
7 |
5 |
1 |
6 |
1 |
6 |
13 |
5 |
2x2+bx+c |
x2+1 |
|
2x2-2x+2 |
x2+1 |
2x |
x2+1 |
2x2 |
1+x22 |
2x1 |
1+x12 |
2(x2-x1)(x1x2 -1) |
(1+x12)(1+x22) |
1 |
6 |
1 |
6 |
1 |
6 |
1 |
6 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
2•
| ||
(
|
7 |
5 |
1 |
3 |
2•(-
| ||
(-
|
13 |
5 |
7 |
5 |
1 |
6 |
1 |
6 |
13 |
5 |
A.10 | B.-5 | C.5 | D.0 |
1+x2 |
1-x2 |
1 |
2 |
1 |
3 |
A.
| B.-
| C.1 | D.0 |
|
A.-20 | B.-18 | C.-15 | D.17 |
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