| dx | ||
∫ | ||
| (x2+x+1)2 |
| dt | ||
∫ | ||
| (1+t2)n |
| 1 | 1 | 1 | ||||
∫ | dt = ∫ | dt + | ∫ t * ((t2 + 1)−1)' dt = | |||
| (t2 + 1)2 | t2 + 1 | 2 |
| 1 | t | 1 | ||||
= arctg(t) + | [ | − ∫ | dt] = | |||
| 2 | t2 + 1 | t2 + 1 |
| 1 | t | |||
= | [arctg(t) + | ] + C | ||
| 2 | t2 + 1 |
| 5^2 | 52 |
| 2^{10} | 210 |
| a_2 | a2 |
| a_{25} | a25 |
| p{2} | √2 |
| p{81} | √81 |
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