1 |
4 |
1 |
1+x |
1 |
x |
1 |
x |
1 |
2 |
1 |
3 |
1 |
4 |
1 |
n+1 |
1 |
2 |
1 |
3 |
1 |
n |
1 |
4 |
1 |
2 |
1 |
x+1 |
x(x-1) |
2(x+1) |
3 |
4 |
1 |
x+1 |
-x |
x+1 |
1 |
x |
1 |
x |
x |
1+x |
x |
(x+1)2 |
x |
1+x |
1 |
1+x |
1 |
x |
1 |
1+x |
1 |
x |
1 |
x |
1 |
n |
1 |
1+n |
1 |
n |
1 |
n |
1 |
1+n |
1 |
n |
1 |
1+1 |
1 |
1+2 |
1 |
2 |
1 |
1+3 |
1 |
3 |
1 |
1+n |
1 |
n |
1 |
2 |
1 |
3 |
1 |
4 |
1 |
n+1 |
1 |
2 |
1 |
3 |
1 |
n |
A.(0,
| B..(e,+∞) | C.(
| D.(
|
1 |
2 |
k |
x |
k |
3 |
A.[-2,+∞) | B.[2,+∞) | C.(-∞,-2] | D.(-∞,2] |
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