1 . 已知函数
(
)的最小值为
,其图象与
轴交于点
,与
轴正半轴交于点
,
,且
.有下列四个命题:
:
;
:
的图象关于直线
对称;
:
的图象与
轴围成的封闭区域面积
;
:
的图象与
轴、
轴共同围成的封闭区域面积
.
则下述命题中所有真命题的序号是______ .
①
②
③
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d5e308cd5469e0f28a8d75f79903f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c052d7af2f98d95bac8725b608fba0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae5a64bcb77f5f64e4af6930c249a270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e4c0bf31046ec3785098fc62c66f5f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adad9633b73dfbbb3d84b4f15979e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b21b872313f7d8c5b606981f954a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9ab3ad3eab551995ffba49295b21247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc119550ce4fc5f3d1daf996e7243bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1397d3712e49c744398ef763f9318ef7.png)
则下述命题中所有真命题的序号是
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d7af433a01e0819931d64d634b705e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5add934f31c9eb6094f394dc2557ef23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274c9d1fa28ba4b0a2d623b9b079c160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896f42ef588b10aca4c0595883b73597.png)
您最近一年使用:0次
2 . (1)计算
;
(2)求
的展开式;
(3)求定积分
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7281e6d706dfde4e7b4b9c7b8357f2eb.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68d550cc7feb60bdff9b9245d9c233c3.png)
(3)求定积分
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9186d5fd5def3ccdf8094671fbb3878d.png)
您最近一年使用:0次