AP |
AB |
AC |
AP |
AQ |
BQ |
QC |
AQ |
| ||||
1+μ |
AP |
AQ |
λ
| ||||
1+μ |
λ |
1+μ |
λμ |
1+μ |
|
A.(0,4] | B.[1,4] | C.[1,2] | D.(0,1]∪[2,4] |
|
A.(-∞,1) | B.(-∞,1] | C.(0,1) | D.(0,1] |
|
4 |
3 |
4 |
3 |
1 |
x2+1 |
A.[1,+∞) | B.(0,1] | C.(-∞,1] | D.(0,+∞) |
1-x |
A.{x|0<x<1} | B.{x|0<x≤1} | C.{x|0≤x≤1} | D.{x|x>0} |
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