设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eb8827d041bc44dd083942aa7002222.png)
,则函数
的各极小值之和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eb8827d041bc44dd083942aa7002222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97b20b12e7cf352d0f6e1eb60836daaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
更新时间:2016-12-04 05:24:24
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相似题推荐
单选题
|
适中
(0.65)
名校
【推荐1】若函数
的一个极值点为
,则
的极大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50cbf2492df70404a07992ef91c51232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】对于函数f(x)=
,下列说法错误的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3d166d6513f87711ca7971d59324826.png)
A.f(x)在x=e处取得极大值![]() | B.f(x)有两个不同的零点 |
C.f(2)<f(π)<f(3) | D.若f(x)<k-![]() |
您最近一年使用:0次
单选题
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适中
(0.65)
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【推荐3】已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2df142e90811105b78236f73c5e96851.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() |
您最近一年使用:0次
【推荐1】已知等比数列
的公比
,前
项和为
,若
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07cfaba0cbf55e596e66953eb795f757.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56e5a94e4ce8e6bb2da8c80df0a2e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7088824e4b57d70d0bb0efe2029cd91.png)
A.![]() |
B.![]() |
C.数列![]() ![]() |
D.数列![]() ![]() |
您最近一年使用:0次
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适中
(0.65)
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解题方法
【推荐2】在数列
及
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b9ffc8ade7389100c778c058df87337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c27fbbabe225c6dfe08136f6f08af328.png)
,设
,则数列
的前
项和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b9ffc8ade7389100c778c058df87337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c27fbbabe225c6dfe08136f6f08af328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ecdd5cd27fc0154e40c64bfd5e3c943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe8859bacf1f19b5500c3e9699ef49c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c88a7ef007c78a93e33bd77c4396626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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