4 |
5 |
10
| ||
3 |
x2 |
a2 |
y2 |
b2 |
c |
a |
4 |
5 |
4 |
5 |
9 |
25 |
| |||
3 |
| ||
a2 |
1 | ||
|
x2 |
25 |
y2 |
9 |
|
25k |
m |
|
kR2 |
m |
k(25-R2) |
m |
R2-9 |
25-R2 |
m2 |
R2 |
k2 (25-R2 ) |
m2 |
R2-9 |
R2 |
(25-R2)2 |
25-R2 |
225 |
R2 |
2 | R2×
| ||
15 |
x2 |
a2 |
y2 |
b2 |
1 |
2 |
1 |
2 |
OP |
OA |
OB |
2 |
x2 |
24 |
y2 |
49 |
x2 |
36 |
y2 |
64 |
x2 |
a2 |
y2 |
b2 |
| ||
3 |
3 |
3 |
x2 |
4 |
y2 |
9 |
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