1 |
2 |
| ||
2 |
y | 20 |
2 |
2 |
2 |
x2 |
2 |
1 |
2 |
|
5×
| ||
4×
|
1 |
4 |
15 |
8 |
| ||
4 |
3
| ||
10 |
x02 |
2 |
x2 |
2 |
-4k2 |
1+2k2 |
2k2-2 |
1+2k2 |
1+k2 |
2 |
1+k2 |
1+2k2 |
1 |
k |
2 |
k2+1 |
k2+2 |
1 |
2 |
(1+k2)2 |
(1+2k2)(k22) |
(1+k2) | ||
(
|
16 |
9 |
2 |
16 |
9 |
2 |
2 |
x |
1-|x| |
1 |
2 |
11-6
| ||
4 |
11+6
| ||
4 |
A.(-2,-1) | B.(2,3) | C.(-1,0) | D.(0,1) |
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