下列求导结果正确的是( )
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-03-26 16:40:30
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【推荐1】下列命题中,真命题的个数为( )
(1)在
中,若
,则
;
(2)已知
,
,则
在
上的投影
;
(3)已知
:
,
,
:
,
,则“
”为假命题;
(4)已知函数
(
)的导函数的最大值为3,则
的图
象关于
对称.
(1)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca51be437b1a97ca92aa1159ab71102c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19dc38d888741a1b2e95fe0773a48c38.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2a1711513b0b1e8599c99505d45558c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b9d31aea7bb335942f2c7da27a2f370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9795e7f5cb9b366776c41d8f3f43942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ed9c2e9fabbfc63733bae8fa079d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d11d6d0ff7e23315ab385370425696f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e20282b44b9a81a094e73325a1e0583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97842fd0ea2ea493566e5b4e363daa5e.png)
(4)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26355b576b4bd835bafbb52b99df6c47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
象关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f56a20bc5fce6b02217627b42249854.png)
A.1 | B.2 | C.3 | D.4 |
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【推荐2】以下结论不正确的是( )
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
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