| y2 |
| a2 |
| x2 |
| b2 |
| ||
| 4 |
| 12 |
| 5 |
| PC |
| PD |
| c2 |
| a2 |
| a2-b2 |
| a2 |
| b2 |
| a2 |
| 7 |
| 16 |
| 4 |
| 3 |
| x |
| -b |
| y |
| a |
| |0+0+4b| | ||
|
|
| 4 |
| 5 |
| 12 |
| 5 |
| y2 |
| 16 |
| x2 |
| 9 |
| -32mn |
| 16m2+9 |
| 16n2-144 |
| 16m2+9 |
| PC |
| PD |
| c2 |
| a2 |
| a2-b2 |
| a2 |
| b2 |
| a2 |
| 7 |
| 16 |
| 4 |
| 3 |
| x |
| -b |
| y |
| a |
| |0+0+4b| | ||
|
|
| 4 |
| 5 |
| 12 |
| 5 |
| y2 |
| 16 |
| x2 |
| 9 |
| y2 |
| 16 |
| x2 |
| 9 |
| -32mn |
| 16m2+9 |
| 16n2-144 |
| 16m2+9 |
| PC |
| PD |
| 16n2-144 |
| 16m2+9 |
| -32mn |
| 16m2+9 |
| 21 |
| 25 |
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