2x-1 |
a+2x+1 |
1 |
a+4 |
-
| ||
a+1 |
2x-1 |
2+2x+1 |
2-x-1 |
2+2-x+1 |
2x(2-x-1) |
2x(2+2-x+1) |
1-2x |
2x+1+2 |
t-1 |
2+2t |
1 |
2 |
t-1 |
t+1 |
1 |
2 |
2 |
t+1 |
1 |
2 |
1 |
t+1 |
1 |
2 |
1 |
t1+1 |
1 |
2 |
1 |
t2+1 |
1 |
t2+1 |
1 |
t1+1 |
t1-t2 |
(t1+1)(t2+1) |
|
x2+1 |
(3x+2)(x-a) |
A.(1,+∞) | B.(-∞,-1) | ||||
C.(-∞,-
| D.(-∞,-
|
-2x+b |
2x+1+a |
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