x+1 |
x-1 |
x+1 |
x-1 |
x2+1 |
x2-1 |
x1+1 |
x1-1 |
(x2+1)(x1-1)-(x1+1)(x2-1) |
(x2-1)(x1-1) |
2(x1-x2) |
(x2-1)(x1-1) |
2(x1-x2) |
(x2-1)(x1-1) |
x+1 |
x-1 |
x+1 |
x-1 |
|
A.10,6 | B.10,8 | C.8,6 | D.8,8 |
1 |
x |
ax+b |
x2+1 |
1 |
2 |
2 |
5 |
A.9 | B.7 | C.5 | D.3 |
π |
3 |
π |
4 |
A.0<ω≤
| B.0<ω≤2 | C.0<ω≤
| D.ω≥
|
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