1 . 下列不等式中正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
2 . 泊松分布是一种重要的离散型分布,用于描述稀有事件的发生情况.如果随机变量
的所有可能取值为0,1,2…,且
,
其中
,则称
服从泊松分布,记作
.
(1)设
,且
,求
;
(2)已知当
,
时,可以用泊松分布
近似二项分布
,即对于
,
,当
不太大时,有
.
(ⅰ)已知甲地区共有100000户居民,每户居民每天有0.00010的概率需要一名水电工.试估计某天需要至少2名水电工的概率;
(ⅱ)在(ⅰ)的基础上,已知乙地区共有200000户居民,每户居民每天有0.00004的概率需要一名水电工.试估计某天两个地区一起至少需要3名水电工的概率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d9506436f1f7db2b7c20a84f9a5f34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4988011c1e60a6256c25c3bdff4bd352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a0f8d6451376d85c0f432c74faf33.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a0f8d6451376d85c0f432c74faf33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a80cdc7e5d4067d00dff0a0b347b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e39326381d0fbd83c8156c3b33e74eb.png)
(2)已知当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c4fe5a95acf4db3241c6cba652e1589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9529cc68a2f219ea5e6f467af4b6e8d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9edd73921106b5c092f6b685ada1f5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3821cada1948964a9741005833f52d01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/989602dd198d2cb52fc1875921d56ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761ddcffd715d75da2c739fe67fa3a96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e6c010e17368e545d63217810ffc8fb.png)
(ⅰ)已知甲地区共有100000户居民,每户居民每天有0.00010的概率需要一名水电工.试估计某天需要至少2名水电工的概率;
(ⅱ)在(ⅰ)的基础上,已知乙地区共有200000户居民,每户居民每天有0.00004的概率需要一名水电工.试估计某天两个地区一起至少需要3名水电工的概率.
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解题方法
3 . 设数列
的前
项和为
,且满足
.
(1)求数列
的通项公式;
(2)解关于
的不等式:
;
(3)若
,求证:数列
前
项和小于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.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/8e7914fdb68e1fbebc44e675e041e5a7.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082beb2f300cd6d28d2fbbc0709ec26f.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/135a6e44401b3e7b21fa1ad1442997fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/478232c9a6b2db6020612a13afb350a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
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4 . 我们称各项均不相等的正项数列
为“冒泡数列”,对任意冒泡数列,我们按如下步骤进行操作,称为“冒泡操作”
比较
的大小,若
,则交换
的位置;
设前述所有步骤后数列变为
,比较
的大小,若
,则交换
的位置,再继续比较
的大小,若
,再交换
;
设前述所有步骤后数列变为
,比较
的大小,若
,则交换
的位置,再继续比较
的大小,
,直到比较得到
时或者
调整位置至首位时停止比较和交换位置,并进行下一步;
设前述所有步骤后数列变为
,比较
的大小,若
,则交换
的位置,再继续比较
的大小,…,直到比较得到
或者
调整位置至首位时结束操作.
(1)请对数列
5,3,2,9,7作冒泡操作,可表示为
请写出操作结束后得到的数列,并计算交换位置的次数.
(2)对于某个
项冒泡数列
当其完成冒泡操作时的总的交换位置的次数称为其“交换复杂度”,记为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a802b2e8db56dfb2f367fbbd9c4fe0f.png)
(i)求
的最小值和最大值;
(ii)对于某个
项冒泡数列
及其各项全排列产生的所有不同数列,其交换复杂度的平均数记为
,求
的通项.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be8e9680996fdd9e3a40f62d810e92e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aa559d2ca921738d0c6c51f3a036880.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0158862238e250d2a2598b7d4ecd148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ade3a1d01605706801e238726e55fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0158862238e250d2a2598b7d4ecd148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0cfe1386cf3dae99d19bf57895c9f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a25a0b38f47e113fd4dd76832de690a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32fee2a3f8c67509707271a3f266a8af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8784badc8cc600bef381da22d1c628d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32fee2a3f8c67509707271a3f266a8af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0525db7ca68c21dfe7a1c4b543b4bee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9017d3641140e0692048ddbab24d1d6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0525db7ca68c21dfe7a1c4b543b4bee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5356eacad97dae1c7e865903171245ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee15a08d7dc7c77ea81607b1f214c092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ebefe3e26bef1c8422bfe5a472e0d4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9bc971d069730aa97e8734fc884e3ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ebefe3e26bef1c8422bfe5a472e0d4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/240e1ed0392e64705738776ff88b1623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0d398803d6a57b99fbb7994edc767b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b8d5b6045219ea4527202ab131bb2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ed3a0a9f46932f86611d64711d81c7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cace8ff9678eca7c3386f280c4ed8c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a67cfcf87e8b88246d7c8e101041bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0be03feff9bfb3b2f45a34b6fc2578.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a67cfcf87e8b88246d7c8e101041bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d151f7e01f394c4547e8065de1adb689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5aeba46b164eea610a02251cdbfba03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(1)请对数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569675dd7b2aca2732324f4bea5c02e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acd875285006bca9792d6ffbea60191.png)
(2)对于某个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be66b629b36c5fe55ff234ad59bffff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a802b2e8db56dfb2f367fbbd9c4fe0f.png)
(i)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94511620a0ee01ebcc8ac2f3a47ac87d.png)
(ii)对于某个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de53713b20a2f956c2590ce71fb69c37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de53713b20a2f956c2590ce71fb69c37.png)
您最近一年使用:0次
5 . 高斯二项式定理广泛应用于数学物理交叉领域.设
,
,记
,
,并规定
.记
,并规定
.定义![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d601aa06fb338e5e629935efcff4932.png)
(1)若
,求
和
;
(2)求
;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dde3af866d12045a0e9599d23bd4d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09881de0dc186bbcd1e60eb00159ee97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58df309205b8d16bbd5d0a0e4e7d053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c8698bbd609efdba601a39d2eb2cb97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02b4ad0e3e571e1a08f420228c02c12f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5dd4e67e475ed09d10ed514058ede2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a494b79124dc4e7ddc75281053742b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d601aa06fb338e5e629935efcff4932.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a9a6cca129af26a517a09cf5a0f3e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b11fba3ed5a9437cea560cc3a81ef9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0d6808740a5b6d1c709e2e3cfe1c394.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d36b40974197a7e097094cc957e29d1.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369cd24ddc7279c5f4014d320f2580be.png)
您最近一年使用:0次
6 . 莫比乌斯函数,由德国数学家和天文学家莫比乌斯提出,数学家梅滕斯首先使用
作为莫比乌斯函数的记号,其在数论中有着广泛应用.所有大于1的正整数
都可以被唯一表示为有限个质数的乘积形式:
(
为
的质因数个数,
为质数,
,
),例如:
,对应
,
,
,
,
,
,
.现对任意
,定义莫比乌斯函数
.
(1)求
,
;
(2)已知
,记
(
为
的质因数个数,
为质数,
,
)的所有因数从小到大依次为
,
,…,
.
(ⅰ)证明:
;
(ⅱ)求
的值(用
(
)表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecd9331f692f5f83a74bdba620efe256.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e046acc0e785892df1ef03a440b0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5c607987b73502db63f77c9799f4bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d94cf780bb9bf7c7da923a99bac6ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33986442b983a01364b1498d044bbdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/101edd0628caa05cac88bb6f43788ba6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/367e788c32187ae2cc97aaa24da1d40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57d45fcbbbc2c58f3aaa95a484df08a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf9b1f58f95b13bfe77087ed48038a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75cb6c5e6aeca82ba4ab44c352614c35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ad4926e8bf2b42d8a2c568f80c1987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/997067e12aa5e1d9b00bb6a9299cb801.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbf3fff8545c74ca66cd1894a55f7bf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33f39b40e3a5a89d2680d1d47a6bb8e3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/142df6665826f73a2706e94be482e066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c16d9bc96f0d4c8992314b315efea8a.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e468312d09c6563c9094b710a35a65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e046acc0e785892df1ef03a440b0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5c607987b73502db63f77c9799f4bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d94cf780bb9bf7c7da923a99bac6ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33986442b983a01364b1498d044bbdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681ae1522a36768618f7ddaf74abbb7e.png)
(ⅰ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa827be71e5fc3cad1b94212d9ed0a6.png)
(ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2453fe8eda2466eaf30ce777d60f07b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c709117ab1d3ef620883a732aed68b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33986442b983a01364b1498d044bbdf.png)
您最近一年使用:0次
7 . 下列说法正确的是( )
A.![]() ![]() ![]() ![]() |
B.在![]() ![]() ![]() |
C.15人围坐在圆桌旁,从中任取4人,他们两两互不相邻的概率是![]() |
D.已知函数![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
8 . 对于数列
,数列
称为数列
的差数列或一阶差数列.
差数列的差数列,称为
的二阶差数列.一般地,
的
阶差数列的差数列,称为
的
阶差数列.如果
的
阶差数列为常数列,而
阶差数列不是常数列,那么
就称为
阶等差数列.
(1)已知20,24,26,25,20是一个
阶等差数列
的前5项.求
的值及
;
(2)证明:二阶等差数列
的通项公式为
;
(3)证明:若数列
是
阶等差数列,则
的通项公式是
的
次多项式,即
(其中
(
)为常实数)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d82c65a855b1eed9c43e6829f6c3bffb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b00f4eb7f1bd2ccefbabf0c1dfa8f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432851e0d0b7a2924da29b9cc5ca1706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)已知20,24,26,25,20是一个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da4cd81500bdb43118150dbdb1541e6.png)
(2)证明:二阶等差数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a15c150d08676e53aba94e9caf45d92.png)
(3)证明:若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9583aa5f0e7f73ef6200ec50ae47a7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f989a37b5a8f2cda9a2aa2cee80a11e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe29cc4634cec994fd622023a1282af0.png)
您最近一年使用:0次
名校
解题方法
9 . 英国数学家泰勒(B.Taylor,1685—1731)发现了:当函数
在定义域内n阶可导,则有如下公式:
以上公式称为函数
的泰勒展开式,简称为泰勒公式.其中,
,
表示
的n阶导数,即
连续求n次导数.根据以上信息,并结合高中所学的数学知识,解决如下问题:
(1)写出
的泰勒展开式(至少有5项);
(2)设
,若
是
的极小值点,求实数a的取值范围;
(3)若
,k为正整数,求k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ba62322394a513a9e60536e424f112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b80c875ad8fafc41d5c82baf23bb5e4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd370c3b127fbdb77b6e5c40318328d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad040ae0fab73f5dd7b1af48cd3b5f93.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a923c6ef8e8a289acf935ca73c92a28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf90a3d768f2a8ff0ede2f973d1dad1.png)
您最近一年使用:0次
2024-06-04更新
|
406次组卷
|
2卷引用:贵州省遵义市2024届高三第三次质量监测数学试卷
10 . 我们称
元有序实数组
为
维向量,
为该向量的范数,已知
维向量
,其中
,记范数为奇数的
维向量
的个数为
,这
个向量的范数之和为
.
(1)求
和
的值;
(2)求
的值;
(3)当
为偶数时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223ed9652852ca4d996fd1f20808df9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60a79b7ec77425af9152ef0cd3dacfe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45981f9cd45bf7b0655d3c9e461fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1e894b2a2d6b062551e7d16fce65940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d6439d5087f29dd37b0627182ba5187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f5c583c98a1fd516c6ceaa60b55dec.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2857fac4963b129d99e79dcb3e13d295.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7de9d5e95ba59043c71849a58cd8d061.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/953e362ec77e9d5a01ea534385d5a8d4.png)
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