题目内容
函数y=
的导数为______.
| sinx |
| x |
∵y=
∴y'=
=
故答案为:
| sinx |
| x |
| x(sinx)′-x′sinx |
| x2 |
| xcosx-sinx |
| x2 |
故答案为:
| xcosx-sinx |
| x2 |
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题目内容
| sinx |
| x |
| sinx |
| x |
| x(sinx)′-x′sinx |
| x2 |
| xcosx-sinx |
| x2 |
| xcosx-sinx |
| x2 |