2x2-x-1 |
(x-1)|x| |
2x2-x-1 |
(x-1)|x| |
(x-1)(2x+1) |
(x-1)|x| |
1 |
2 |
2x2-x-1 |
(x-1)|x| |
1 |
2 |
1 |
2 |
|
A.Φ | B.(-∞,1)∪(4,+∞) | C.(1,4) | D.R |
1 |
x |
1 |
2 |
A.(-∞,2) | B.(2,+∞) | C.(0,2) | D.(-∞,0)∪(2,+∞) |
A.1<t<2 | B.-2<t<1 | C.-2<t<2 | D.-3<t<2 |
A.{x|x>0} | B.{x|x>1} | C.{x|0<x<1} | D.{x|0<x<a} |
1 |
2 |
1 |
2 |
A.(0,
| B.[
| C.(0,
| D.[
|
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