x2 |
a2 |
y2 |
b2 |
| ||
2 |
2 |
2 |
OP |
OQ |
1 |
3 |
c |
a |
| ||
2 |
x2 |
2 |
t2 |
2 |
y0 | ||
t+
|
2 |
-y0 | ||
t-
|
2 |
-y02 |
t2-2 |
t2 |
2 |
1 |
2 |
1 |
2 |
x2 |
2 |
x2 |
2 |
1 | ||
|
1 | ||
|
OP |
OQ |
1 |
2 |
1 |
2 |
x2 |
2 |
OP |
OQ |
1 |
3 |
1 |
3 |
1 |
3 |
2k2-2 |
1+2k2 |
-4k2 |
1+2k2 |
1 |
3 |
x2 |
a2 |
y2 |
b2 |
| ||
2 |
1 |
4 |
2
| ||
3 |
2 |
x2 |
a2 |
y2 |
b2 |
| ||
2 |
4
| ||
5 |
x2 |
a2 |
y2 |
b2 |
x2 |
25 |
y2 |
16 |
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