| A |
| x−1 |
| B |
| x−2 |
| A(x−2)+B(x−1) |
| (x−1)(x−2) |
| (A+B)x−(2A+B) |
| (x−1)(x−2) |
∵
| 3x−4 |
| x2−3x+2 |
| 3x−4 |
| (x−1)(x−2) |
| A |
| x−1 |
| B |
| x−2 |
∴3x-4=(A+B)x-(2A+B),
∴
|
解得:
|
故答案为:1,2.
| 3x−4 |
| x2−3x+2 |
| A |
| x−1 |
| B |
| x−2 |
| A |
| x−1 |
| B |
| x−2 |
| A(x−2)+B(x−1) |
| (x−1)(x−2) |
| (A+B)x−(2A+B) |
| (x−1)(x−2) |
| 3x−4 |
| x2−3x+2 |
| 3x−4 |
| (x−1)(x−2) |
| A |
| x−1 |
| B |
| x−2 |
|
|