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:
|
故答案為: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 |
|
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