x2+y2+2(x+1)(1-y) |
x-y+1 |
x2+y2+2(x+1)(1-y) |
x-y+1 |
x2+y2+2x+2-2xy-2y |
x-y+1 |
(x-y)2+2(x-y)+2 |
x-y+1 |
(x-y+1)2+1 |
x-y+1 |
1 |
x-y+1 |
1 |
x-y+1 |
1 |
x-y+1 |
1 |
x-y+1 |
kπ+1 |
5 |
(kπ+1)2 |
25 |
1 |
25 |
1 |
25 |
2 |
3 |
xy-y2 |
ab |
1 |
a |
1 |
b |
4 |
a |
1 |
b |
A.4 | B.6 | C.8 | D.9 |
f(10) |
10 |
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