∫ | 20 |
1 | ||
1-
|
1 | ||
1+
|
∫ | 20 |
∫ | 20 |
∫ | 20 |
20 |
20 |
1 | ||
1-
|
1 | ||
1+
|
1+
| ||||
(1-
|
2 |
1-x |
2 |
1-x |
-2(1-x)′ |
(1-x)2 |
2 |
(1-x)2 |
A.3f(ln2)>2f(ln3) |
B.3f(ln2)=2f(ln3) |
C.3f(ln2)<2f(ln3) |
D.3f(ln2)与2f(ln3)的大小不确定 |
1 |
2 |
1 |
x2 |
2 |
27 |
1 |
xln2 |
A.0 | B.1 | C.2 | D.3 |
1-lnx |
1+lnx |
A.-
| B.
| C.-
| D.-
|
3 |
anan+1 |
m |
20 |
2 |
A.0 | B.3 | C.3
| D.6
|
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