2022高三·全国·专题练习
1 . 已知:如图,抛物线
,
是抛物线的焦点,入射光线从
点发出射到抛物线上的点
,求证:反射光线平行于
轴.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/12/fc6694af-f0e3-4f8b-a102-34523a7e9f98.png?resizew=147)
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2 . 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
.
(i)求实数a的取值范围;
(ii)
是
的极值点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca20bb0b4a93bb1771eff02239e549f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.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/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dae74c724114bfeff024dd7b79f5edc.png)
(i)求实数a的取值范围;
(ii)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c04ddd92ea0665845393e47f4b4a7679.png)
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3 . 已知
,抛物线
与
轴正半轴相交于点
.设
为该拋物线在点
处的切线在
轴上的截距.
(1)求数列
的通项公式;
(2)设
, 求证:
(
且
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b1310ac23301a3244c5be58b4874f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98140638c614f73c82e680469948c700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f036c90d708ef3bfaea4f28ddaa33ca2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
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2022-10-06更新
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4 . 已知函数
.
(1)若
,求曲线
在
处的切线方程;
(2)若
,证明:
在
上只有一个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df6be37519f3054906b8ab7a695fc54.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/949cd6586dee37a25a2b4bbae46b738b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9e329f2730b2be926b121f1ae04c0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
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2023-02-19更新
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7卷引用:湖北省襄阳市部分学校2022-2023学年高三上学期期中数学试题
湖北省襄阳市部分学校2022-2023学年高三上学期期中数学试题河南省驻马店经济开发区高级中学等2022-2023学年高三上学期11月联考文科数学试题云南省部分名校2023届高三上学期11月联考数学试题陕西省咸阳市2022-2023学年高二上学期期末文科数学试题(已下线)导数专题:利用导数研究函数零点的4种常见考法-【题型分类归纳】2022-2023学年高二数学同步讲与练(人教A版2019选择性必修第二册)(已下线)第5章 一元函数的导数及其应用 单元综合检测(重点)(练习)-2022-2023学年高二数学同步精品课堂(人教A版2019选择性必修第二册)(已下线)第五章 一元导数及其应用章末重点题型归纳(3)
5 . 已知函数
,
.
(1)若
与
在
处有相同的切线,求实数
的值;
(2)当
,
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7d86e838463bcd49337cd5500e60d0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cb60b66d8265b56efddc9aebb22be3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e593828316139a54019e352dec883f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0095e37ca19e0f6fb0d168a594d0723.png)
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6 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e6b4fd7ea9ebef26c80081aece3cdb8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5f421939ee855f25927e7570d82c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2868fc8e6dc8e0b15a381649a7bd5532.png)
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7 . 已知函数
(
为自然对数的底数).
(1)求曲线
在点
处的切线方程;
(2)设
,当
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44144d3c836557ca96077566a6e95de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff5a8f648d375cc6ccf6649cab698c6.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f4eff3125c5e63a994ba1ad5be58e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3907da01aa2971e05262ecf58bafe27d.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/599ddb9569e701be6bd2e1220d9a73c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea241ae86945003b7a8447847741b0c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88801569ff7d345a320f3419c3828afc.png)
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8 . 已知函数
的图象在原点处的切线方程为
.
(1)求函数
的解析式;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d90fcd223cc53e9fd75759b530d9f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a9b769d70cb6f29e965c800921c8ea.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6096dcd8029361d0734ce9382291d02b.png)
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9 . 已知函数
.
(1)求函数
在点
处的切线方程;
(2)当
时,函数
有两个零点,求实数m的取值范围;
(3)求证:对任意的
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f0809f2cd0ca8455145aeeac6ba2a9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97282a21da129516474b783565823c84.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1487e9e4bd2c25c594e655e95c44d574.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e1330f2449b3d4f8cd54e78fd32a9ad.png)
(3)求证:对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8928e74f205d8e40eb343fb774da78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b9f3765c10475c2f9f76283f9a23de.png)
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10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f5ac0cc79784a0a164941e068460a7d.png)
(1)若f(x)的图象在
处的切线恰好也是g(x)图象的切线,求实数a的值:
(2)当
时,求证:对于区间[1,2]上的任意两个不相等的实数
,
,都有
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f5ac0cc79784a0a164941e068460a7d.png)
(1)若f(x)的图象在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7152aea5d046953a8c931571be7c529.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4fe1b1f1b3ba8ea6e8eea89d961015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12a4eecd249473a831d0ee472470240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9565876bc50bceb63e5793c8c67a9032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797bc1e103d7345ba5e5320a3023e87e.png)
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