x2 |
a2 |
y2 |
b2 |
144 |
25 |
x2 |
a2 |
y2 |
b2 |
x02 |
a2 |
y02 |
b2 |
y02 |
b2 |
x02-a2 |
a2 |
y02 |
x02-a2 |
b2 |
a2 |
y0 |
x0+a |
y0 |
x0-a |
y02 |
x02-a2 |
b2 |
a2 |
144 |
25 |
c2-a2 |
a2 |
144 |
25 |
13 |
5 |
b |
a |
|bc-0| | ||
|
bc |
c |
b2 |
a2 |
144 |
25 |
x2 |
25 |
y2 |
144 |
x2 |
4 |
A.y=
| B.y=x | C.y=2x | D.y=4x |
x2 |
16 |
y2 |
9 |
|FN|-|FM| |
|FA| |
A.
| B.
| C.
| D.
|
x2 |
4 |
2 |
2 |
2 |
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