3√x + √x
∫ −−−−−−−−−− dx
3x
| 3√x + √x | x1/3 + x1/2 | x1/3 | x1/2 | ||||
= | = | + | = | ||||
| 3x | 3x | 3x | 3x |
| 1 | 1 | |||
= | x−2/3 + | x−1/2 | ||
| 3 | 3 |
| 1 | ||
∫ xn dx = | * xn+1 | |
| n+1 |
| 1 | 1 | |||
∫ | x−2/3 + | x−1/2dx = | ||
| 3 | 3 |
| 1 | 1 | ||
∫x−2/3 dx + | ∫ x−1/2dx = | ||
| 3 | 3 |
| 2 | ||
= x1/3 + | x1/2 + C = | |
| 3 |
| 2 | ||
= 3√x + | √x + C | |
| 3 |
a jeszcze taka całka?
sin2xdx
∫ −−−−−−−
1+sin4x