| 1 | 1 | 1 | ||||
∫ (x2 + 1) ln x dx = ∫ln x*(x2 +1) dx = ln x*( | x3 +x) − ∫ | *( | x3 +x)dx = | |||
| 3 | x | 3 |
| 1 | 1 | |||
= ( | x3 + x) ln x − ∫ ( | x2 + 1 ) dx = | ||
| 3 | 3 |
| 1 | 1 | |||
= ( | x3 + x) ln x − | x3 − x + C | ||
| 3 | 9 |
| 5^2 | 52 |
| 2^{10} | 210 |
| a_2 | a2 |
| a_{25} | a25 |
| p{2} | √2 |
| p{81} | √81 |
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