| 2x2+3x−2 | 4x2−1 | ||
: | |||
| 2x3+x2+6x+3 | 4x2+4x+1 |
| 1 | −1 | |||
To tak, wyznaczyłam dziedzinę D=R−{ | , | }
| ||
| 2 | 2 |
| 2x2+3x−2 | 4x2+4x+1 | ||
* | |||
| 2x3+x2+6x+3 | 4x2−1 |
| 2x2+3x−2 | 2x(2x+1)+1(2x+1) | ||
* | |||
| 2x3+x2+6x+3 | (2x+1)(2x−1) |
| 2x+1)+2(x−1) | 2x(2x+1)+1(2x+1) | ||
* | |||
| x2(2x+1)+3(2x+1) | (2x+1)(2x−1) |
| (2x−1)(x+2) | (2x+1)(2x+1) | x+2 | |||
* | = | ||||
| (2x+1)(x2+3) | (2x−1)(2x+1) | x2+3 |
| 1 | −1 | |||
D=R\ { | ; | } | ||
| 2 | 2 |