| 1 | x2 | |||
du = 2*lnx* | dx v = | |||
| x | 2 |
| x2 | x2 | 2 | ||||
J = u*v − ∫vdu = | *(lnx)2 − ∫ | * | *lnxdx | |||
| 2 | 2 | x |
| x2 | x2 | |||
J = | *(lnx)2 − ∫x*lnxdx = | *(lnx)2 − J1 gdzie | ||
| 2 | 2 |
| 1 | x2 | |||
du = | *dx v = | |||
| x | 2 |
| x2 | x2 | dx | x2 | 1 | ||||||
J1 = | *lnx − ∫ | * | = | *lnx − | ∫xdx | |||||
| 2 | 2 | x | 2 | 2 |
| x2 | 1 | x2 | ||||
J1 = | *lnx − | * | ||||
| 2 | 2 | 2 |
| x2 | x2 | x2 | ||||
J = | *(lnx)2 − | *lnx + | + C | |||
| 2 | 2 | 4 |