1 . 若项数为
(
)的数列
:
,
,…,
满足:
.定义变换
:
将数列
中原有的每个0都变成0,1,原有的每个1都变成1,0,若
,1,
.
(1)求
;
(2)若
中0的个数记为
,1的个数记为
,
,求
;
(3)记
中连续两项都是1的数对个数记为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d71f8889a98ae0fea6611cf087bb4c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc4741d00e59f5d5b2a90fa19db89fa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5735125832ebdbe4c692266d2a20a013.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7f2c72ab559a0615db4c51327b78d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233427826eb2233641fc3a9805f6d206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e5dfcc28321b563a8012ec2899c502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e606e760a794f2c27c55d9202e8b3012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7f2c72ab559a0615db4c51327b78d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/265d67611e24f901015520b2e43212ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/265d67611e24f901015520b2e43212ef.png)
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名校
2 . 若关于
的方程
有两个不同的实根
,
,且
,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/529486e4a752b00da43865f01155bc38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/322c41fdd11ebee5060a2d45259c785e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
3 . 在直角坐标系
中,已知定圆
,动圆
过点
且与圆
相切,记动圆圆心
的轨迹为曲线
.
(1)求曲线
的方程;
(2)设点
,
,
(
),直线
,
分别与曲线
交于点
,
(
,
异于
),问直线
是否过定点,若过,求定点坐标;若不过,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2130628de6169e8ea127a765fc3c0913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65304d03bb720d836e7bbd2fab6e977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4776e87dd96658bb5ffe1b09cb98c03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24d2c34c5562629fbd6222daf1216ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f955e61b70463e9bb6758f1f863a1675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
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4 . 已知抛物线C:
(
)的焦点为F,直线
与C交于A,B两点,
.
(1)求C的方程;
(2)过A,B作C的两条切线交于点P,设D,E分别是线段PA,PB上的点,且直线DE与C相切,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b35f0b940c8422ef47edc3b7ce55e47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49e1bc08cc69d3d8e73b990f1236ed5c.png)
(1)求C的方程;
(2)过A,B作C的两条切线交于点P,设D,E分别是线段PA,PB上的点,且直线DE与C相切,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da715afe51a44ad2f044ccf61c313778.png)
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5 . 如图,已知在
中,
,
是
边上一点,且
,将
沿
进行翻折,使得点
与点
重合,若点
在平面
上的射影在
内部及边界上,则在翻折过程中,动点
的轨迹长度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4bb0cc36a05dda3725f4b3b03a7feb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb08f6a798dc293f3d8de281190f65e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d78fc7fcb2762de28dcef8aa3aa0e49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ac5396c5ea442e0364b50c1db3d2da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 如图,在四边形
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d67be899bc131ec1b9921ae9787c40d5.png)
,将
沿
进行翻折,在这一翻折过程中,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d67be899bc131ec1b9921ae9787c40d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5a260249fa9917c7f52e90a2daea30e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
A.始终有![]() |
B.当平面![]() ![]() ![]() ![]() |
C.当平面![]() ![]() ![]() ![]() ![]() |
D.当平面![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-05-06更新
|
582次组卷
|
2卷引用:云南省昆明市第一中学西山学校2023-2024学年高一下学期4月期中考试数学试题
7 . 在平面直角坐标系中,
为坐标原点,对任意两个向量
,作
.当
不共线时,记以
为邻边的平行四边形的面积为
;当
共线时,规定
.
(1)分别根据下列已知条件求
;
①
;②
;
(2)若向量
,求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d359cf89ac3b6bb66547924fa5c243b9.png)
(3)记
,且满足
,
,
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f10bf60347bffcdd6e486b413562fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e0ce4d79ea236510a0fe0e0b1ec452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e8e0fafc7bbff970888310b1ba2e4a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66644d217fa5b91bea2b3889cc8f8aa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d94defd1306acdaa5db1db14836d3070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e8e0fafc7bbff970888310b1ba2e4a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c5fd7ecb3508cffc09ba3b4e3b2d7b.png)
(1)分别根据下列已知条件求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6742c08ce61e4b2cf7bf3de3fa5f58f.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c908fcf0091056195260af9142ef0e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/300ad636ef4d59cc44582fd6f2e1976e.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe7e905de79366640eb8ba9a82310d47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d359cf89ac3b6bb66547924fa5c243b9.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95eaedd32eb4f155f4fcd5b4a415f1a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e423cf6a00482c8eb835f95c8da8b0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0161712cd1003ebf1701a9ac24c13d79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00669a327f00abdab4cd7cdcbe6d371a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c219dd98dcde8089dc1eefd6e36fda0b.png)
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解题方法
8 . 已知椭圆
的左、右焦点分别为
,D为椭圆C的右顶点,且
.
(1)求椭圆C的方程;
(2)设
,过点
的直线与椭圆C交于A,B两点(A点在B点左侧),直线AM与直线
交于点N,设直线NA,NB的斜率分别为
,
,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2377ea22862dee84fcd0038858de4dfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a096db5dd66dc1c053b0c43f4b47a260.png)
(1)求椭圆C的方程;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32af1da88a0323514e5ab888f449117f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c397129dacf0871ab2db37e60560f4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29212e455dd6df5379ae67f379a32158.png)
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9 . 已知
分别为椭圆
的左、右焦点,直线
与椭圆相交于A,B两点,且
.
(1)求粗圆
的方程;
(2)
为坐标原点,若直线
与椭圆
交于M,N两点,直线OM的斜率为
,直线ON的斜率为
,当
时,
面积是否为定值?若是,求出该定值;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4516c02c1399d5cfad7ca71a62932c01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d4769a38f41ff8eadf985ccad74602d.png)
(1)求粗圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f6d6a0ee7672e93d79d51b938d9299e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
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解题方法
10 . 已知
为双曲线:
(
,
)右支上一点,
,
分别为左、右焦点,
为
的内角平分线,
是坐标原点,过
,
分别作
的垂线,垂足分别为
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45035c785ad41695590eff5a9a6c0e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45035c785ad41695590eff5a9a6c0e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86163e76653de1f383788b741fb64a8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e1fae01485740cbb48b5c79f1185b54.png)
A.![]() |
B.三角形![]() ![]() |
C.三角形![]() ![]() |
D.设双曲线的离心率为![]() ![]() |
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