1 |
x |
A.(0,
| B.(
| C.(1,2) | D.(2,3) |
1 |
x |
1 |
xln2 |
1 |
x2 |
1 |
2 |
1 |
x |
1 |
2 |
1 |
2 |
a |
x |
1 |
2 |
|
A.
| B.-2,0 | C.
| D.0 |
A.(0,1) | B.(1,1.5) | C.(1.5,2) | D.(2,2.5) |
x2 |
2 |
x3 |
3 |
x4 |
4 |
x101 |
101 |
x2 |
2 |
x3 |
3 |
x4 |
4 |
x101 |
101 |
A.x1∈(0,1),x2∈(1,2) | B.x1∈(-1,0),x2(1,2) |
C.x1∈(0,1),x2∈(0,1) | D.x1∈(-1,0),x2∈(1,0) |
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