| 1 | ||
y= | ||
| x2 + 6x + 10 |
| 1 | ||
∫ | dx = [ tu sobie rozdzieliłem całkę na ich sume ] | |
| x2 + 6x + 10 |
| 1 | 2 | 2x + 6 | ||||
∫ | dx = ( wzór 4) lim α→−∞ [ | arctg | } ] | |||
| x2 + 6x + 10 | √−4 | −4 |
| 2 | 6 | 2 | − ∞ | |||||
= | arctg | − | arctg | = | ||||
| √−4 | √−4 | √−4 | √−4 |
| 2 | 6 | |||
= | arctg | − 0 | ||
| √−4 | √−4 |
| dx | dx | dt | ||||
∫ | = ∫ | = ∫ | = arctg t | |||
| x2 + 6x + 10 | 1 +(x+3)2 | 1+t2 |