设
分别是函数
的导数,且满足
,
.若
中,
是钝角,则
![](https://img.xkw.com/dksih/QBM/2017/3/7/1638724949704704/1642975187787776/STEM/5c316fc15dce4f9491b6b98b2510a983.png?resizew=87)
![](https://img.xkw.com/dksih/QBM/2017/3/7/1638724949704704/1642975187787776/STEM/786ffac5598d4593b4af213c17704250.png?resizew=124)
![](https://img.xkw.com/dksih/QBM/2017/3/7/1638724949704704/1642975187787776/STEM/85427bfd12f9441a852befdb9a9c640b.png?resizew=59)
![](https://img.xkw.com/dksih/QBM/2017/3/7/1638724949704704/1642975187787776/STEM/f74e8829ce0a4a5590354b63af8d93a4.png?resizew=171)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
更新时间:2017-04-03 07:26:43
|
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【推荐2】已知定义在R上的偶函数
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名校
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①
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③
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其中所有正确结论的编号是( )
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