题目内容
已知a
=
(a>0),则log
a=______.
| 2 |
| 3 |
| 4 |
| 9 |
| 2 |
| 3 |
已知a
=
(a>0),
∴(a
)
=[(
)2]
?a=(
)3 ?log
a=log
(
)3=3,
故答案为 3.
| 2 |
| 3 |
| 4 |
| 9 |
∴(a
| 2 |
| 3 |
| 3 |
| 2 |
| 2 |
| 3 |
| 3 |
| 2 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
故答案为 3.
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相关题目
已知a
=
(a>0),则log
a=( )
| 2 |
| 3 |
| 4 |
| 9 |
| 2 |
| 3 |
A、
| ||
B、
| ||
| C、3 | ||
| D、-3 |