名校
解题方法
1 . 已知函数
.
(1)若函数
为增函数,求
的取值范围;
(2)已知
.
(i)证明:
;
(ii)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e43125e0ae8620e175448be664fc025.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d41acc47493556617fe7b9e55093d10.png)
(i)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/609f88274757a3cd83ee8b8d07a109d2.png)
(ii)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abfc033fc70e74f27fb0da9874199324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b1ab2e5e3dd3a1c768a88eb182b44d9.png)
您最近一年使用:0次
2023-05-28更新
|
843次组卷
|
3卷引用:天津市新华中学2023届高三下学期统练7数学试题
名校
解题方法
2 . 在平面直角坐标系
中,已知椭圆
的长轴为4,过坐标原点的直线交
于
两点,若
分别为椭圆
的左、右顶点,且直线
与直线
的斜率之积为
.
(1)求椭圆的标准方程;
(2)若点
在第一象限,
轴,垂足为
,连
并延长交
于点
,
(i)证明:
为直角三角形;
(ii)若
的面积为
,求直线
的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9f5f4ad0caac5a0fecb64f3908d2290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
(1)求椭圆的标准方程;
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae95e96ce568efee50145f8d017353df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf3d566704b44ea4ef1f99c37bd46902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
(i)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59a0a6891259bf27be2280c6b6ba7430.png)
(ii)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59a0a6891259bf27be2280c6b6ba7430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b282c337227aa697d420b8c3c8d4309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
您最近一年使用:0次
2023-05-28更新
|
993次组卷
|
2卷引用:天津市咸水沽第一中学2023届高三押题卷(五)数学试题
名校
3 . 已知函数
,
(
为自然对数的底数)
(1)当
时,求
的单调区间;
(2)
时,若函数
与
的图象有且仅有一个公共点.
(i)求实数
的集合;
(ii)设经过点
有且仅有3条直线与函数
的图象相切,求证:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3392ab5afdbd80d316d4fd003920659a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf5e80cdc7476f04bcc62813fa187446.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
(i)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(ii)设经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f00fdb0b1dfb21a2e192990b79be37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95cdfaf0771d0dbe55309ad4640b143f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74bb2da696e961d4e7c289691aa4ce9c.png)
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4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ddf4520633c436944ba235ed7c951e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e75adc498833495b79af8cfbaf306f6.png)
(1)当
时,
①求曲线
的单调区间和极值;
②求曲线
在点
处的切线方程;
(2)若函数
有两个不同的零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ddf4520633c436944ba235ed7c951e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e75adc498833495b79af8cfbaf306f6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
①求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
②求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/606e5694c2f33033cced4e29d3152c16.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca4be345087f993a4078e16c16608e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
5 . 设
,
,
.
(1)求函数
,
的单调区间和极值;
(2)若关于x不等式
在区间
上恒成立,求实数a的值;
(3)若存在直线
,其与曲线
和
共有3个不同交点
,
,
(
),求证:
成等比数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699f767ccf837c2bf8019d03451849c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914a49b0d7aedc593a3e87fbab7c31ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04c2d4affa0741e2f2582dc8e957685.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1128ef28912ba41f037afea504d6bc31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ebc97d255d9f92969a741955da4ec6.png)
(2)若关于x不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7a3713bb22838d9432c9e484c537e8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
(3)若存在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4ff39dd1dfc9caf911ad0d11ba21d66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a28b3589f39573e9cc7d6684a033f24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdd5552324550304765749352051d850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8828dad2747f16ae4efee1ac0344a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/328071ace61d03885e3bc122b2713ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/830c98ceab2c157eac58caaf717b6de4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
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名校
解题方法
6 . 已知函数
,
.
(1)讨论
极值点的个数;
(2)若
恰有三个零点
和两个极值点
.
(ⅰ)证明:
;
(ⅱ)若
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad3aa05bf7390b688b4923b3e57f699a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d277a5747e76c386963b5c98a7c69745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
(ⅰ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d1540b6b10f07a867618a1eec02e2a1.png)
(ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7961cbe98aac6a5fdee94582c341b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddb4410c39ba1112ea24b342ec119f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79fdabb9ea14c4a8a2a2f874c071480b.png)
您最近一年使用:0次
2023-05-08更新
|
2155次组卷
|
9卷引用:天津市武清区杨村第一中学2023届高三下学期第二次热身练数学试题
7 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)若函数
有两个零点
,
(其中
).
(i)求实数
的取值范围;
(ii)若存在实数
,当
时,使不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/803afa3c30a4eb1a39425e44eca98cca.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0707344f1985c614bb00db33a467c9ba.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/26d8dafc71b106f39f4e15442220897b.png)
(i)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(ii)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c84ab2ea2de85f4211d3b3aaee9fc84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb06adbe9ec73cfc5a0664422d41a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
8 . 已知函数
,其中
,
(1)若
,
(i)当
时,求
的单调区间;
(ii)曲线
与直线
有且仅有两个交点,求
的取值范围.
(2)证明:当
时,存在直线
,使直线
是曲线
的切线,也是曲线
的切线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3373d211a4a1bf81e1ebfb146fcddf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3a42b6fd4fff031515c4845db4a947.png)
(i)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(ii)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/932e474e861cbef4611e8bdebf2814f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
您最近一年使用:0次
名校
9 . 已知
,设函数
的表达式为
(其中
)
(1)设
,
,当
时,求x的取值范围;
(2)设
,
,集合
,记
,若
在D上为严格增函数且对D上的任意两个变量s,t,均有
成立,求c的取值范围;
(3)当
,
,
时,记
,其中n为正整数.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73254f32b6da29ecc32df2e9f87a4c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d68155558673dee3c3b339a73d752097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83e1d58efba7354ff2ccb96922732094.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0248255c35db564b386e4a997f822a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3e852eebd74ce9620a6baaef6d35fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d9a4cae3158b96893800ddc6ebbc76e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/610a635570c8e84423dbf0f6a566c138.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a915c1a8a9304aeb307d130faaeb15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22f37cf574ebef90d4e1204db94bcbaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7203bef757822b5d482430f8bf80dea7.png)
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2023-04-13更新
|
1542次组卷
|
5卷引用:天津市耀华中学2023届高三二模数学试题
天津市耀华中学2023届高三二模数学试题上海市普陀区2023届高三二模数学试题天津市南开中学2022-2023学年高二下学期期末数学试题(已下线)专题04 函数导数综合应用(四大题型)-【好题汇编】备战2023-2024学年高二数学下学期期末真题分类汇编(天津专用)(已下线)重难点04导数的应用六种解法(1)
10 . 已知数列
满足
,其前8项的和为64;数列
是公比大于0的等比数列,
,
.
(1)求数列
和
的通项公式;
(2)记
,
,求数列
的前
项和
;
(3)记
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97034664bd213a31e81b9625f83d0e26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4995fa0403e013d888c0935ebfe15024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd86fd3108963fbf87c75d504fa40cf.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa1093307f363309d7f8d026e9ed0e33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.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/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b77fb54a6f469a3ee479637e2045d5da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e323e8aff31de40e3574372599fcab.png)
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