| 1 | 1 | x2 | ||||
∫ | =∫ | −∫ | ||||
| (x2+1)2 | (x2+1) | (x2+1)2 |
| x2 | ||
=arctgx−∫ | ||
| (x2+1)2 |
| x2 | x | |||
∫ | dx = ∫ x * | dx | ||
| (x2 + 1)2 | (x2 + 1)2 |
| x | ||
u = x , v' = | ||
| (x2 + 1)2 |
| −2 | ||
u'=1 v= | ||
| x2+1 |
| −2x | 1 | −2x | |||
+2∫ | = | +2arctgx | |||
| x2+1 | x2+1 | x2+1 |
| 5^2 | 52 |
| 2^{10} | 210 |
| a_2 | a2 |
| a_{25} | a25 |
| p{2} | √2 |
| p{81} | √81 |
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