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1 . 祖暅原理也称祖氏原理,是我国数学家祖暅提出的一个求体积的著名命题:“幂势既同,则积不容异”,“幂”是截面积,“势”是几何体的高,意思是两个同高的立体,如在等高处截面积相等,则体积相等.由曲线
,
,
围成的图形绕y轴旋转一周所得旋转体的体积为V,则V=__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c465114dc2665d74246240b1d4d26ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63f162c4846a76cadee56ae2f42e37c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bfb4e91d5c6d50ff816b0240c1a7f02.png)
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2024-06-11更新
|
242次组卷
|
5卷引用:重庆市乌江新高考协作体2023-2024学年高二下学期第二阶段性学业质量联合调研抽测(5月)数学试题
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解题方法
2 . 设常数
,
.若函数
在区间
上恰有2024个零点,则所有可能的正整数n的值组成的集合为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/171849cbf36955fcdad36feaf1cb5f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c07c496500d66cbd74e1070e1c7c1d5.png)
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3 . 定义在R上的函数
满足
,且
,
①
的值域为
; ②
的最小正周期是4;
③当
时,
; ④方程
恰有4个实数解.
上述正确命题的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac67215b94c77be50360a64b16cceeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5448a19cf9cf7970ffb209d5e9ffa267.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb2f360028740b06001ab1c3739c1fd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/350cbd2f5a3f5e72d5f0db5bd63964ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4bf4aa648b06d0a9f4782bcd0821d4c.png)
上述正确命题的序号是
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2024-06-08更新
|
146次组卷
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2卷引用:天津市滨海新区大港油田实验中学2023-2024学年高二下学期第二次月考数学试卷
4 . 若函数
的图象与直线
有4个交点,则实数a的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84f4553597c45f8ceeecd1f76cb07f26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46111e4d12c21798aa213c0d7804c2ac.png)
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5 . 已知定义在
上的函数
可导,且
不恒为0,
为奇函数,
为偶函数,则下列说法正确的是__________ .(填序号)
①
的周期为4;②
的图象关于直线
对称;③
;④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d7661d3fc28f785b438ad8c8f9d240a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/570df03fef42aece12560212ba3a64e0.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d31f9ce464f2ce3b24833b70595941c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4547fb0efd94f97e05a7445024e4248d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e45c6a3257fbcdad846c8ec9adab6a2.png)
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6 . 在侧棱长为
的正三棱锥
中,点
为线段
上一点,且
,点M为平面
内的动点,且满足
,记直线
与直线
的所成角的余弦值的取值范围为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8aca29eb6c46838852134027cf28d99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e01ba3f329b712e87ead41125cacd34a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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解题方法
7 . 已知
,若存在
,使得
成立,则
的最大值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c5d6739f33edf7a49d3d005780cde9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e79776f23de6b6e586c4986d5c10418.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7714b6ed985c8b3d20517b5181fc0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e441a3e467f4864e9d44652154dd7a.png)
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8 . 已知PC是三棱锥
外接球的直径,且
,
,三棱锥
体积的最大值为8,则其外接球的表面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a15a004f7d47ed595f063e60075223a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c19f0fcacac715a1200770516d1e4a67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
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2024-06-04更新
|
781次组卷
|
3卷引用:山东省菏泽市第一中学八一路校区2023-2024学年高一下学期第三次月考数学试题
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9 . 若
,
,且
,则
的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fcbdcb52d7b9e7c54d8382f42e278fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7dc87628c486529f615d51675515d98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dedab547d3f1d4824d6b68f88ef4e80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4c25755e08df6c44fa0d2be441f709.png)
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10 . 已知动圆M经过点
、
,P是圆M与圆C:
的一个公共点.当
最大时,圆
的半径为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee33736169c249a029f478a605dc2c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8128ddbc498393e3ea2475df1ab2f4f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee045fcf052cb7562aeca2e86f6346f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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