x2 |
a2 |
y2 |
b2 |
x2 |
4 |
y2 |
3 |
x2 |
4 |
y2 |
3 |
(2x)2 |
4 |
(2y)2 |
3 |
y2 | ||
|
x02 |
4 |
y02 |
3 |
x2 |
4 |
y2 |
3 |
y-y0 |
x-x0 |
y+y0 |
x+x0 |
y-y0 |
x-x0 |
y+y0 |
x+x0 |
y2-y02 |
x2-x02 |
3 |
4 |
FP |
FQ |
FR |
y2 |
3 |
A.1 | B.2 | C.3 | D.4 |
x2 |
4 |
y2 |
9 |
x2 |
a2 |
y2 |
b2 |
| ||
2 |
F1P |
F1F2 |
PF1 |
PF2 |
F2F |
F2P |
PF1 |
PF2 |
MC |
PC |
BC |
PB |
CB |
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