A.(0,1) | B.(1-
| C.(1-
| D.[
|
1 |
2 |
b |
a |
b |
a |
|
1-b |
a+1 |
a+b |
a+1 |
b |
a |
a+b |
a+1 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
b |
a |
a+b |
a+1 |
1 |
2 |
b2 |
1-2b |
1 |
2 |
b |
a |
|
1-b |
a-1 |
a-b |
a-1 |
(
|
[
|
|
2|1-b| |
|(a+1)(a-1)| |
1+a2 |
|0-1+b| | ||
|
1 |
2 |
1 |
2 |
2|1-b| |
|(a+1)(a-1)| |
1+a2 |
|0-1+b| | ||
|
1 |
2 |
2 |
1-a2 |
1 | ||
|
| ||
2 |
1 |
3 |
1 |
2 |
| ||
2 |
| ||
2 |
1 |
2 |
|
|
A.
| B.
| C.
| D.
|
π |
4 |
2 |
x2+y2 |
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