1 . “让式子丢掉次数”—伯努利不等式(Bernoulli’sInequality),又称贝努利不等式,是高等数学分析不等式中最常见的一种不等式,由瑞士数学家雅各布.伯努利提出,是最早使用“积分”和“极坐标”的数学家之一.贝努利不等式表述为:对实数
,在
时,有不等式
成立;在
时,有不等式
成立.
(1)证明:当
,
时,不等式
成立,并指明取等号的条件;
(2)已知
,…,
(
)是大于
的实数(全部同号),证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30cdfc52dbd70827de9e15fffe39c321.png)
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc98a4d9ae0580aa2c1152ffb770d4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4fb8df3614557f13bdc68378437e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d4045366a437d4003259050718e244.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75f0daa973c8fc183b7d21bafd7e8cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c78998ba5f2665a1753c3fa84751716.png)
(1)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a40142c84be68ee2918c3a8303388c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc98a4d9ae0580aa2c1152ffb770d4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5026dc5ead3b5adf0e5f4b3e7c4eca1d.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1cc5cfec94bc5686b41b043acdc8ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30cdfc52dbd70827de9e15fffe39c321.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6b29215b2a741c01efc27199e6c6925.png)
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2024-05-30更新
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3卷引用:江西省鹰潭市2024届高三第二次模拟考试数学试卷
名校
2 . 设a,b为非负整数,m为正整数,若a和b被m除得的余数相同,则称a和b对模m同余,记为
.
(1)求证:
;
(2)若p是素数,n为不能被p整除的正整数,则
,这个定理称之为费马小定理.应用费马小定理解决下列问题:
①证明:对于任意整数x都有
;
②求方程
的正整数解的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73aeb67aa5fa6797d0a68cfbf1a3d5.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfac455432b5ddc11bbbb62b165f1ef.png)
(2)若p是素数,n为不能被p整除的正整数,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64b82d58ea4cb94ff8dc3aeb1c345a0e.png)
①证明:对于任意整数x都有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/366bfef60e3b2c6fd95003cddbd66605.png)
②求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc16a57919b711a9d34eed86b437f35.png)
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5卷引用:河北省2024届高三下学期大数据应用调研联合测评(V)数学试题
河北省2024届高三下学期大数据应用调研联合测评(V)数学试题河北省沧州市泊头市大数据联考2024届高三下学期2月月考数学试题河北省秦皇岛市昌黎县开学联考2024届高三下学期开学考试数学试题(已下线)压轴题高等数学背景下新定义题(九省联考第19题模式)讲(已下线)新题型02 新高考新结构竞赛题型十五大考点汇总-2
3 . 已知函数
,设曲线
在点
处的切线与x轴的交点为
,其中
为正实数.
(1)用
表示
;
(2)求证:对一切正整数n,
的充要条件是
;
(3)若
,记
证明数列
成等比数列,并求数列
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b7b0deaff280ebbee0f91be5acd20d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/641fec779880f75fa8ee6782f3350402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edeb4aa8a3ca0261e0161fd7fa8bde97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3002f56900c2924bfd79fc3865b0a02e.png)
(2)求证:对一切正整数n,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b3c80e774501722f46f97800f1d400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3fd5fd833041ae95d8b7f8d2897e35.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c4223bd6ee8f82d59d244371fbcddc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dfe65f891c54780bcf1ed6a9f8a0f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
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2022-11-23更新
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1077次组卷
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3卷引用:2007年普通高等学校招生考试数学(理)试题(四川卷)
名校
解题方法
4 . 对于问题“求证方程
只有一个解”,可采用如下方法进行证明“将方程
化为
,设
,因为
在
上单调递减,且
,所以原方程只有一个解
”.类比上述解题思路,则不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c18c032d75893db45e61e6c4eb0d4e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c18c032d75893db45e61e6c4eb0d4e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49cfb1e9557770560280b5248ae2d0d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/856491b01dab707170d83a1bc4b1f257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec65a2bec3d4296c613a80b3ae41d5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2197c1c9e5e09713fe45dc1e73edf509.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-08-07更新
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928次组卷
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7卷引用:湘豫名校联考2023届高三上学期8月入学摸底考试文科数学试题
5 . 请阅读下列材料,并完成相应的任务.
战国时的《墨经》就有“圆,一中同长也”的记载.与圆有关的定理有很多,弦切角定理就是其中之一.我们把顶点在圆上,一边和圆相交,另一边和圆相切的角叫做弦切角.弦切角定理:弦切角的度数等于它所夹的弧所对的圆周角度数.
下面是弦切角定理的部分证明过程:
证明:①如图1,AB与
相切于点A.当圆心O在弦AC上时,容易得到
,所以弦切角
.
②如图2,AB与
相切于点A.当圆心O在
的外部时,过点A作直径AF交
于点F,连接FC.
∵AF是直径,∴
,∴
.
∵AB与
相切于点A,∴
,∴
,∴
.
![](https://img.xkw.com/dksih/QBM/2022/5/3/2971556652843008/2974950109806592/STEM/e34e22f97b164f5baf07d88ddab505fe.png?resizew=554)
(1)如图3,AB与
相切于点A,当圆心O在
的内部时,过点A作直径AD交
于点D,在
上任取一点E,连接EC,ED,EA,求证:
;
(2)如图3,已知
的半径为1,弦切角
,求
的长.
战国时的《墨经》就有“圆,一中同长也”的记载.与圆有关的定理有很多,弦切角定理就是其中之一.我们把顶点在圆上,一边和圆相交,另一边和圆相切的角叫做弦切角.弦切角定理:弦切角的度数等于它所夹的弧所对的圆周角度数.
下面是弦切角定理的部分证明过程:
证明:①如图1,AB与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10d461a7c0b86a2f09c2ea17f38260e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460511579aaa077d85fe53f6bb7772d5.png)
②如图2,AB与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
∵AF是直径,∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23d90078fcdfde7e9f221bc2bebda3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da32065b24911b830aaa9095edee6461.png)
∵AB与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89c5a162bd71f3b237d18d0996a6d73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f36c57e73133469b27213ab57ce710c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49db80c5a4f32fcd2db22bf6903ea481.png)
![](https://img.xkw.com/dksih/QBM/2022/5/3/2971556652843008/2974950109806592/STEM/e34e22f97b164f5baf07d88ddab505fe.png?resizew=554)
(1)如图3,AB与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667349d99185bb045030b733352ff7fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bce8c7f984ded4431266d97ded4523c.png)
(2)如图3,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dbebd2e0b7ee2dae2612c3de832a543.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667349d99185bb045030b733352ff7fd.png)
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6 .
的外接圆与内切圆分别为
、
,
为
旁切圆.
1.证明:存在唯一圆
,
与
内切、与
外切,并且与
内切于点A.
2.设圆
与
、
的切点分别为P、Q.如果
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0047f659c182291c84c224df6b5e993f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843d593e8cb8219aad703d77d78ef2f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a8ab9c2421408d202361aca2c944fb.png)
1.证明:存在唯一圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b55b59c92a868cc6f448e5d92d257401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b55b59c92a868cc6f448e5d92d257401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0047f659c182291c84c224df6b5e993f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843d593e8cb8219aad703d77d78ef2f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
2.设圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b55b59c92a868cc6f448e5d92d257401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843d593e8cb8219aad703d77d78ef2f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0047f659c182291c84c224df6b5e993f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b746a5add435fea2d4d75c7479f01e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
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7 . 如图所示,在等腰
中,
,设点D是边
上一点,点E是线段
的中点,延长
与底边
交于点F,证明:若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/193ea44749f1c64c8723e84a57d15cb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72625fcf444310fe50db88d280bf1e81.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/99e79aad-4c4f-4957-95db-6e50f55f7ad3.png?resizew=139)
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解题方法
8 . 设
为正整数,如果表达式
同时满足下列性质,则称之为“交错和”.①
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93a717d685be4e0d53456f42e3cd401b.png)
;②
;③当
时,
(
);④规定:当
时,
也是“交错和”.
(1)请将7和10表示为“交错和”;
(2)若正整数
可以表示为“交错和”
,求证:
;
(3)对于任意正整数
,判断
一共有几种“交错和”的表示方法,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c978be3cef71aa05b6ca98efb795dc99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d70259b8ecc56afb8b3b15cf46082e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93a717d685be4e0d53456f42e3cd401b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9b03740b24965e7196cbe91b82b252.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e55143c8153a818863a3e5cf3cc6075.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c972cbd63decec197aec1bdc306de67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a4cf5a951eef42eb9dff075e71210f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43649a490b881e3f7a5b6b7bee1a8b8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59295942629ce535281d5066f14a65de.png)
(1)请将7和10表示为“交错和”;
(2)若正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c978be3cef71aa05b6ca98efb795dc99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7306bacb80799eeabd3fd46cb8632598.png)
(3)对于任意正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
9 . 定义函数
的所有零点构成严格单调增数列![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
.
(1)求证:
;
(2)若对任意的
存在负数
使得方程
有两个不等实解
与
,并且满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbf2181350d86ab92ca8d0c57062979.png)
,试证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb26787f90953b57b26840560cf1898b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4deeb1d48ba9103bd939d129bbcabf00.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2b470df8553a6959c48d985a2fb3f6.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02964db5e897a7227ecfa746c85c502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e90c998886b1483221a5b4941f6e874c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/512973a7938befd2ddb58966f4f7270c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d62ae9cec857483a97ef5e60977988c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba6cf7974e23e46975cfe8c29930b07f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbf2181350d86ab92ca8d0c57062979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ece7ec51a3dc952d95787f457dd6519.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d50dd64fc95bb112a01e6fdcbd6024.png)
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10 . 求证:对空间不共面的任意四点
,都存在唯一的菱形
使
;若
四点共面,结论是否成立?如果成立,请给出证明;如果不成立,请举出反例.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4496fe22b40bc63581998e6b7ef6783.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ac79e422ba4876949f0514c44539b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4c5a1b05aeb2e9cc717c43c4cc411b0.png)
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