1 . 已知数列
满足:
,且
,则下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de15823d1abf4b3339aa64cb98ec561f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea8d0e50065114b05ef2dc1ea1129cf.png)
A.存在![]() ![]() | B.当![]() ![]() |
C.当![]() ![]() | D.当![]() ![]() |
您最近一年使用:0次
2024-06-08更新
|
232次组卷
|
2卷引用:云南省大理白族自治州民族中学2023-2024学年高三下学期5月月考数学试卷
名校
解题方法
2 . 已知椭圆
的左、右焦点分别为
,点
,
在
上,且满足
,
,则
的离心率为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/475a3fdc7b27d5ffa8c864dc478903d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/888465c45bb120ff2aa979006c87eb7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f79e4292aade9d5ed1d7b40e7e766740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
3 . 两条动直线
和
分别与抛物线
相交于不同于原点的A,B两点,当
的垂心恰是C的焦点时,
.
(1)求p;
(2)若
,弦
中点为P,点
关于直线
的对称点N在抛物线C上,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/766bc42b7ead98238a339bb4dc42bb51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87f8af9ce5d927e6f422de42ead6ffb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c965530523e606200248f2dd720eb5c.png)
(1)求p;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/771a2abef658aab00d81a85ac26d9128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8547f2b4e89b0ae1445bda02d46f0668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
您最近一年使用:0次
2024-05-22更新
|
1424次组卷
|
3卷引用:云南省大理白族自治州民族中学2023-2024学年高三下学期5月月考数学试卷
名校
解题方法
4 . 函数
是定义在
上的奇函数,其导函数为
,且
,当
时,
,则关于
的不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9a3bc1b2142871d56b78c2cc57ce73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5aebe20397ea9441d0fcebfda55922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60766b0c3705ffe3e62fe42931022617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8b32c8047ddaf882b04af49019f69e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-04-17更新
|
700次组卷
|
7卷引用:云南省下关第一中学2023-2024学年高二下学期5月期中数学试题
云南省下关第一中学2023-2024学年高二下学期5月期中数学试题重庆市礼嘉中学2023-2024学年高二下学期第一次月考数学试题(已下线)模块一 专题4 【讲】《导数的概念、运算及其几何意义》(人教B2019版)安徽省六安市裕安区新安中学2023-2024学年高二下学期第一次月考数学试题(已下线)模块一 专题5《导数的概念、运算及其几何意义》【讲】(高二北师大版)(已下线)第二章导数及其应用章末十八种常考题型归类(4)(已下线)第15题 构造新函数(1)(高二期末每日一题)
名校
解题方法
5 . 已知椭圆
的右焦点为
,且经过点
,过点
且不与
轴重合的直线
交椭圆
于
,
两点.
(1)求椭圆C的标准方程;
(2)设椭圆
的左顶点为
,直线
,
和直线
分别交于点
,
,记直线
,
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/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6358c2dd03cb35665adc47e33172165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(1)求椭圆C的标准方程;
(2)设椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.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/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360496a4f5cc8a5faca5e089ae4f9531.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/6b881044b5c73db6fcce110525741b02.png)
您最近一年使用:0次
2024-04-12更新
|
442次组卷
|
2卷引用:云南省大理白族自治州民族中学2023-2024学年高二下学期4月月考数学试题
6 . 抛物线
的焦点为
,经过点F且倾斜角为
的直线l与抛物线C交于A,B两点,分别过点A、点B作抛物线C的切线,两切线相交于点E,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5421a28dc3675ae20190d6090793246e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
A.当![]() ![]() |
B.![]() |
C.点E在一条定直线上 |
D.设直线![]() ![]() ![]() |
您最近一年使用:0次
2024-03-14更新
|
565次组卷
|
3卷引用:云南省下关第一中学2023-2024学年高二下学期5月期中数学试题
解题方法
7 . 在透明的密闭正三棱柱容器
内灌进一些水,已知
.如图,当竖直放置时,水面与地面距离为3.固定容器底面一边AC于地面上,再将容器按如图方向倾斜,至侧面
与地面重合的过程中,设水面所在平面为α,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f41d364b55d88688cd1f571ed231228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9a8181f7a7fe7f3fac872ce9534f15.png)
A.水面形状的变化:三角形⇒梯形⇒矩形 |
B.当![]() ![]() |
C.当![]() ![]() |
D.当侧面![]() |
您最近一年使用:0次
2024-03-14更新
|
974次组卷
|
4卷引用:云南省大理白族自治州祥云县祥云祥华中学2023-2024学年高一下学期4月二调数学试题
云南省大理白族自治州祥云县祥云祥华中学2023-2024学年高一下学期4月二调数学试题河北省唐山市2024届高三下学期第一次模拟演练数学试题(已下线)压轴题04立体几何压轴题10题型汇总-1(已下线)专题06 空间角、距离的计算-期末考点大串讲(苏教版(2019))
8 . 十七世纪至十八世纪的德国数学家莱布尼兹是世界上第一个提出二进制记数法的人,用二进制记数只需数字0和1,对于整数可理解为逢二进一,例如:自然数1在二进制中就表示为
,2表示为
,3表示为
,5表示为
,发现若
可表示为二进制表达式
,则
,其中
,
或1(
).
(1)记
,求证:
;
(2)记
为整数
的二进制表达式中的0的个数,如
,
.
(ⅰ)求
;
(ⅱ)求
(用数字作答).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b564c8ed67fc12a798bbfa90a522897f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5359b84da9078423cd0b3b4aec59f5a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff810f41a26172e80524e98da4ea3699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89196ef774da48eb156ed4d9401e7d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28652e52c0b02a343e618935ea625cbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60f4052daae3c3e9ad015e2179319f1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c716342983f6ae1ffaf192994c4070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/489340c9a2d70c00bae13b7018cad448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca64ef9e0c3dd14e99d113dbbe973ace.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54d6af634dfcecddaba59d9a8c9bfc00.png)
(1)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c00b0ffdf62f43fc736fc89e9d663d74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23bc3d696ceb9622e3db60128a23a949.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0c16dff106bc3e26a1a61c1eaa95460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74615750a3a01569eff76d1ea64ee5c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4c2da0219706f639dfe426f979572c5.png)
(ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2e820b1b44ea737a3ff68419d75424.png)
(ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45975c684ed2e4e818582e961c1ca01.png)
您最近一年使用:0次
2024-03-01更新
|
2464次组卷
|
4卷引用:云南省大理州祥云县部分高中(云·上联盟五校协作体)2024届高三下学期复习摸底诊断联合测评数学试题
解题方法
9 . 已知点
,点
是圆
上一动点,动点
满足
,线段
的中垂线与直线
交于点
.
(1)求点
的轨迹
的标准方程;
(2)已知点
在直线
上,过点
作曲线
的两条切线,切点分别为
,若四边形
的面积
,求
的最大值,并求出此时
点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b21cab7ea5dddc9074f11f232a5071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de40669452780e19fc30d378d691187f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bd9411e478ba4d09a84be6e4c0479f0.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/86e203b7c9a6600e0272c58a23733490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe3174b77e624cd0fdb730bbe00322f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/824dba5eda47467b73e8b994390029f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
解题方法
10 . 已知双曲线
的左、右焦点分别为
,离心率为2,焦点到渐近线的距离为
.过
作直线
交双曲线
的右支于
两点,若
分别为
与
的内心,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7638c88f01d609d79947033ed4ff36a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb34b0444d4757ebc00e89848178b69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cfd997d3b66a3b8f7731b26f0ab0c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47444b5fbc4252516d54263062e47c81.png)
A.双曲线![]() ![]() |
B.点![]() ![]() |
C.直线![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次