x |
|
|
|
1 |
2 |
1+(-1)λ |
2 |
1-(-1)λ |
2 |
x |
1 |
4 |
1 |
4 |
|
2 |
k |
2 |
n+1 |
2 |
n+2 |
2 |
2n |
2 |
n+2 |
2 |
2n |
2 |
2n+1 |
2 |
2n+2 |
2 |
2n+1 |
2 |
2n+2 |
2 |
n+1 |
2 |
2n+2 |
2 |
2n+2 |
2 |
n+1 |
1 |
2 |
1 |
2 |
1 |
2 |
2 |
1+(-1)λ |
2 |
1-(-1)λ |
2 |
3 |
2 |
1+(-1)λ |
2 |
1-(-1)λ |
2 |
x |
2 |
n |
2 |
q |
2 |
A.1 | B.-1 | C.1或-1 | D.11 |
A.(-∞,2] | B.(-∞,-4]∪[2,+∞) | C.[-2,+∞) | D.(-∞,-2]∪[4,+∞) |
1-x2 |
A.[-1,1] | B.[-1,0] | C.[0,1] | D.(-1,1) |
x-1 |
x+1 |
1 |
3x |
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