名校
1 . 已知非空集合
是由一些函数组成,同时满足以下性质:
①对任意
,
均存在反函数
,且
;
②对任意
,方程
均有解;
③对任意
,若函数
为定义在
上的一次函数,则
;
(1)若
,
均在集合
中,求证:函数
;
(2)若函数
在集合
中,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
①对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcd04b625189228b6d697edf095f7c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d6b59f4796a45963dea76b89c72bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d95e3998987a7dda4fc7dfb3f2d57d.png)
②对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcd04b625189228b6d697edf095f7c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
③对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f87db4b7888b08d6f5c27cd745b66e36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2787142cbc51f5bcbffda80849ce17b4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679da8a975f3a340f456d205b9da9a42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2197038d74821f5151b6d513048a5a30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff12d01f4c4c6983bac86c992b2ae87.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccaa82beb00bb0cfc14fd36468b89d69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
2 . 设集合
为下述条件的函数
的集合:①定义域为
;②对任意实数
,都有
.
(1)判断函数
是否为
中元素,并说明理由;
(2)若函数
是奇函数,证明:
;
(3)设
和
都是
中的元素,求证:
也是
中的元素,并举例说明,
不一定是
中的元素.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f58d4591d668b4bc32fae4faab8298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4da990cfafe050a755268b614b5bdcf.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c079afd1b058adc67a50f48f3d466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2c68140b732d32eb378eb1b2a6c3094.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98667c853ac8a2751110aa3770ed7cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41c7e53ddba2b07dd1d3cbbfbb439e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2019-11-06更新
|
200次组卷
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2卷引用:上海复旦附中2017-2018学年高一上学期期末数学试题
名校
3 . 如果存在常数a,使得数列{an}满足:若x是数列{an}中的一项,则a-x也是数列{an}中的一项,称数列{an}为“兑换数列”,常数a是它的“兑换系数”.
(1)若数列:2,3,6,m(m>6)是“兑换系数”为a的“兑换数列”,求m和a的值;
(2)已知有穷等差数列{bn}的项数是n0(n0≥3),所有项之和是B,求证:数列{bn}是“兑换数列”,并用n0和B表示它的“兑换系数”;
(3)对于一个不少于3项,且各项皆为正整数的递增数列{cn},是否有可能它既是等比数列,又是“兑换数列”?给出你的结论,并说明理由.
(1)若数列:2,3,6,m(m>6)是“兑换系数”为a的“兑换数列”,求m和a的值;
(2)已知有穷等差数列{bn}的项数是n0(n0≥3),所有项之和是B,求证:数列{bn}是“兑换数列”,并用n0和B表示它的“兑换系数”;
(3)对于一个不少于3项,且各项皆为正整数的递增数列{cn},是否有可能它既是等比数列,又是“兑换数列”?给出你的结论,并说明理由.
您最近一年使用:0次
2019-06-25更新
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161次组卷
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3卷引用:上海市崇明区2019届高三5月三模数学试题
名校
4 . 对于无穷数列
,“若存在
,必有
”,则称数列
具有
性质.
(1)若数列
满足
,判断数列
是否具有
性质?是否具有
性质?
(2)对于无穷数列
,设
,求证:若数列
具有
性质,则
必为有限集;
(3)已知
是各项均为正整数的数列,且
既具有
性质,又具有
性质,是否存在正整数
,
,使得
,
,
,…,
,…成等差数列.若存在,请加以证明;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3cb1321c970c49c9f6a5635ac23d6a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99699ac8106034f647e4f460b3bf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aa8264eb8eea3025a152318df8720b1.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e836ef3b31693dcaf25b414277e8ae8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d8f894492a8126f5f133dec4cd68833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c414a10d73f453fc1109e5b2243d2369.png)
(2)对于无穷数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926b0a2429ebf269f7e9368ac0306956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e691589e9aafddefcbb613c7030f89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bea0dd7e474bcd04db2544427ba0488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7470297de40027847c5c73fc5d1719c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7334c46af837676ada9575630a48d60f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0699adb388000a87241d6b113e733cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969293569368540b9517380795cb571b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bfaf6fb5cd9a53f7adc324976735b9a.png)
您最近一年使用:0次
2019-06-18更新
|
1787次组卷
|
5卷引用:2019年上海市普陀区高三高考三模数学试题
2019年上海市普陀区高三高考三模数学试题江西省吉安市第一中学2024届高三“九省联考”考后适应性测试数学试题(一)广东省湛江市雷州市第二中学2023-2024学年高二下学期开学考试数学试题(已下线)新题型01 新高考新结构二十一大考点汇总-3(已下线)专题06 数列
5 . 定义向量
的“相伴函数”为
,函数
的“相伴向量”为
,其中O为坐标原点,记平面内所有向量的“相伴函数”构成的集合为S.
(1)设
,求证:
;
(2)已知
且
,求其“相伴向量”的模;
(3)已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d8a4cf957865fad1cb648fcd2cbaa0.png)
为圆
上一点,向量
的“相伴函数”
在
处取得最大值,当点M在圆C上运动时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e50633448e2f3583959333aedd008034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c6f29b2b1955715616003d51d8b77f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c6f29b2b1955715616003d51d8b77f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e50633448e2f3583959333aedd008034.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88b5cfa9838662ced4d78b6458aa90a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9848a0bb57a882e951a8812b38f70df.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06af1eee80c1971583ca553df77e49a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4967b02dcf5b76c0d5ce82417618aad7.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d8a4cf957865fad1cb648fcd2cbaa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2753fe33b16b19630c996a2bc98739fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce769d55393c86ae6c312de5158e4b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d00da1c29aea46e36cda0f5780966bb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e0e24323fe73e5d9fc6136219306da.png)
您最近一年使用:0次
2020-01-16更新
|
1347次组卷
|
2卷引用:上海市七宝中学2017-2018学年高二上学期10月月考数学试题
17-18高三上·上海浦东新·开学考试
名校
6 . 已知集合
(
,且
),若存在非空集合
,使得
,且
,并任意
,都有
,则称集合S具有性质P,
称为集合S的P子集.
(1)当
时,试说明集合S具有性质P,并写出相应的P子集
;
(2)若集合S具有性质P,集合T是集合S的一个P子集,设
,求证:任意
,
,都有
;
(3)求证:对任意正整数
,集合S具有性质P.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ee3cc5ccfc1e9dcb9c026218ec0769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd0e04ab752f9bdc8a10163d03b5d19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb30a4971a1425f4baaca444c8b3fc50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797768739c2895f4783692ef9f3fe7b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d3ce7fd72f60d2c33c34e5c9874a6f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b77968e4f3b7ded188a406e64eba0a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6bb23b2561e5ba95d0a1e6b8f236696.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2d3df37e73a8abea815f37dbb3fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3637753af5ce86be9c23a9beb6b5067.png)
(2)若集合S具有性质P,集合T是集合S的一个P子集,设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/053d688fc713969c0b2c1ff5c6537a3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e709e085424c3de36b6dd5ceff6f37f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b21208364124b5c477b2ff8df1c2e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/578d5f1593e60907e632159ea32001e7.png)
(3)求证:对任意正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
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名校
7 . 已知函数
,
的图像为曲线
,两端点
、
,点
为线段
上一点,其中
,
,
,点
、
均在曲线
上,且点
的横坐标等于
,点
的纵坐标为
.
(1)设
,
,
,求点
、
的坐标;
(2)设
,
,求
的面积的最大值及相应
的值;
(3)设
,
,求证:点
始终在
点的上方.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70128385b9ab66ac44614af35a0dcdce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8e7d2793aae43b9046be12e0beb2601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/195ffbc61cf4f6c94ce7cfa04ade5731.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3511cdc6a9b56bc1d9415d3d94ef0f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/162218e8dc01099b763419d62505f8ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15558c0bfd6470891ded7d510ad5ec0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8112f9185c7d48b015d9cd0525616b31.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b923078510697d5f7f9ea392eb76dd9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b7ac53864708d223fc6bafc74fb6340.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdfec4233214c3a729c843dee0d186db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ede389b43c78417912542746d91d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e9cc87ac1bf9ce0c9160a95d249d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985b383be47791e0409e542225982299.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d4cd02b69b76000f9b9826d9929a324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70128385b9ab66ac44614af35a0dcdce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2020-01-15更新
|
125次组卷
|
2卷引用:上海市南洋模范中学2017-2018学年高三上学期期中数学试题
名校
8 .
是定义在
上且满足如下条件的函数
组成的集合:
①对任意的
,都有
;
②存在常数
,使得对任意的
,都有
.
(1)设
,问
是否属于
?说明你的判断理由;
(2)若
,如果存在
,使得
,证明这样的
是唯一的;
(3)设
为正实数,是否存在函数
,使
?作出你的判断,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
①对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd0acb1db1ae6a26b54aef0d00f59f50.png)
②存在常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/747493d50f089f2512dcd9d0ac19261e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4169c5f606352788872a03fe5476fea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61bb102e2f61ec8e9600935588dc9015.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd781fd221b76b403e81dbef9de6295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea432d07a65a06a35484280b0951884f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/155c7f573e898da225390202da1767e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995204ecce49bf8a7c11cb5e78e6f1c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ceee0ff5c929d67de3c294e027c9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d6463e2c80a736a16fa48c89befe79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea432d07a65a06a35484280b0951884f.png)
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名校
解题方法
9 . 如果存在非零常数
,对于函数
定义域上的任意
,都有
成立,那么称函数为“
函数”.
(Ⅰ)若
,
,试判断函数
和
是否是“
函数”?若是,请证明:若不是,主说明理由:
(Ⅱ)求证:若
是单调函数,则它是“
函数”;
(Ⅲ)若函数
是“
函数”,求实数
满足的条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bae5a1f884023d902fca242b3490a922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b43b9ac168348257cf8436046eb107.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f19e893159870d911d83af4f4b2b70ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74314814cdc6fb803abb4692458af131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
(Ⅱ)求证:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d6dd0e5f0398c7a86d8fee82d0cc170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
(Ⅲ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498d16aa0037412cb18fa2411610ca2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
10 . 某种型号汽车四个轮胎半径相同,均为
,同侧前后两轮胎之间的距离(指轮胎中心之间距离)
(假定四个轮胎中心构成一个矩形),当该型号汽车开上一段上坡路
(如图所示,其中
,
),且前轮
已在
段上时,后轮中心在
位置;若前轮中心到达
处时,后轮中心在
处(假定该汽车能顺利驶上该上坡路),设前轮中心在
和
处时与地面的接触点分别为
和
,且
,
;(其它因素忽略不计)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/1bcb7fca-1cb3-4e42-aab0-5aa93d42e356.png?resizew=329)
(1)如图所示,
和
的延长线交于点
,求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e7f4d6badb183ac9cd31e77ef2b4dd.png)
;
(2)当
=
时,后轮中心从
处移动到
处实际移动了多少厘米?(精确到
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecd680d922b6a7cccad8fbf84c4441d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2dc2abb1e1dc494b3719ba314e2a0bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597ce705d3a2fe04d29de9e81ec6250d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a0055328f2442b42040c3bcb0f847e.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f82e6414e130db9bbdee92326eee13a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26afb46c388cfef8e6ed0b66be802571.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/1bcb7fca-1cb3-4e42-aab0-5aa93d42e356.png?resizew=329)
(1)如图所示,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91f3956f008cc29ca4bae44a087d5427.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e7f4d6badb183ac9cd31e77ef2b4dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21870b0cdc028708ea96bb0628af71e1.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f7a55368936281934788044d18ff0ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96a4fe52baabb3071d55134f157a6079.png)
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