ln24 |
24 |
ln34 |
34 |
lnn4 |
n4 |
2 |
e |
|
x | 20 |
a |
x |
| ||
2 |
| ||
2 |
| ||
2 |
a |
2 |
| ||
2 |
a |
2 |
| ||
2 |
4lnx |
x4 |
2 |
ex2 |
ln24 |
24 |
ln34 |
34 |
lnn4 |
n4 |
2 |
e |
1 |
22 |
1 |
32 |
1 |
n2 |
2 |
e |
1 |
1×2 |
1 |
2×3 |
1 |
n(n-1) |
2 |
e |
ln24 |
24 |
ln34 |
34 |
lnn4 |
n4 |
2 |
e |
|
A.f(x)与g(x)均为偶函数 |
B.f(x)为奇函数,g(x)为偶函数 |
C.f(x)与g(x)均为奇函数 |
D.f(x)为偶函数,g(x)为奇函数 |
|
A.-1 | B.0 | C.1 | D.2 |
1+1nx |
x-1 |
k |
x |
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