a•2x-1 |
2x+1 |
a•20-1 |
20+1 |
2x-1 |
2x+1 |
2-x-1 |
2-x+1 |
1-2x |
1+2x |
2x-1 |
2x+1 |
2 |
2x+1 |
2 |
1-y |
1+y |
1-y |
1+y |
1-y |
2x-1 |
2x+1 |
1+x |
1-x |
1+x |
1-x |
|
a |
b |
1 |
2 |
1 |
2 |
A.2 | B.-2 | C.±2 | D.0 |
A.f(-
| B.f(2)<f( -
| ||||
C.f(2)<f(-1)<f(-
| D.f(-1)<f(-
|
nπ |
3 |
nπ |
3 |
s3n |
n-4n |
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