| ex | ex | ||
= | |||
| 1−e2x | (1−ex)(1+ex) |
| 1 | ex(1+ex)+(1−ex) | ||
= | |||
| 2 | (1−ex)(1+ex) |
| 1 | ex | ex | ||||
= | ( | + | ) | |||
| 2 | 1−ex | 1+ex |
| 1 | −ex | ex | ||||
= | (− | + | ) | |||
| 2 | 1−ex | 1+ex |
| 1 | 1 | 1+ex | |||
(ln|1+ex|−ln|1−ex|)+C= | ln| | |+C | |||
| 2 | 2 | 1−ex |
| 5^2 | 52 |
| 2^{10} | 210 |
| a_2 | a2 |
| a_{25} | a25 |
| p{2} | √2 |
| p{81} | √81 |
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