| x |
| x+h |
| a |
| b |
| ah |
| b-a |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| x |
| h |
| y-a |
| b-a |
| b-a |
| h |
| ∫ | h 0 |
| b-a |
| h |
| b-a |
| 2h |
| | | h 0 |
| b-a |
| 2h |
| 1 |
| 2 |
| 1 |
| 3 |
| s1 |
| s2 |
| h′2 |
| (h+h′)2 |
h
| ||||
|
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| S1S2 |
| 1 |
| 3 |
| S1S2 |
| x2 |
| h2 |
| S-S1 |
| S2-S1 |
| x2 |
| h2 |
| ∫ | h 0 |
| x2 |
| h2 |
| 1 |
| 3 |
| x3 |
| h2 |
| | | h 0 |
| 1 |
| 3 |
| S1S2 |
| 1 |
| 3 |
| S1S2 |
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