x-1 |
x+a |
x+a-(x-1) |
(x+a)2 |
1 |
x+1 |
a+1 |
(x+a)2 |
1 |
x+1 |
7 |
4 |
1 |
2 |
1 |
2 |
7 |
4 |
a+1 |
(1+a)2 |
1 |
1+1 |
1 |
a+1 |
1 |
2 |
1 |
a+1 |
1 |
2 |
x-1 |
x-3 |
-2 |
(x-3)2 |
1 |
x+1 |
(x-1)(x-7) |
(x-3)2(x+1) |
A. | B. | C. | D. |
A.f(x)=g(x) | B.f(x)=g(x)=0 |
C.f(x)-g(x)为常数函数 | D.f(x)+g(x)为常数函数 |
A.(1,0) | B.(2,8) | C.(2,8)和(-1,-4) | D.(1,0)和(-1,-4) |
3 |
A.[
| B.(
| C.(-
| D.[-
|
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