名校
1 . 已知函数
.
(1)若
,求曲线
在
处的切线方程;
(2)求函数
在
上的单调区间和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df71f8b32945f3915dd2a0b72593bed.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7754cc9374c8193dadb6875fb8a3fefb.png)
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名校
解题方法
2 . 等差数列
的前
项和为
,且
,则
( )
![](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/2a98d817993ea57b143b0651a7483197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4e70b360f988fdbd92300ab22c4613.png)
A.18 | B.24 | C.27 | D.54 |
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名校
解题方法
3 . 在锐角
中,内角
,
,
的对边分别为
,
,
,且满足
.则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/820ceff02461fde56a0db6580dd55039.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b45f1b69668bbb9a7656368b81dd3e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 下列说法中错误的是( )
A.若![]() ![]() | B.![]() |
C.若![]() ![]() | D.![]() |
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7日内更新
|
208次组卷
|
3卷引用:四川省眉山市青神县青神中学校2022-2023学年高一下学期期中数学试题
解题方法
5 . 如图,已知四棱锥
中,底面
是平行四边形,
为侧棱
的中点.
平面
;
(2)设平面
平面
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2bc5e50b8dfa02601c70822252854a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9428c4a6a25d360a036aaf0a92e40988.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/466fabcaac59132fea648ff35342ec9d.png)
(2)设平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210dbaa21f2f54fe6045e9961731b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fde7cfb1172e9d79b89f8ec18f1e767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a24caeb80a748bcbc9dc33cd430a5aca.png)
您最近一年使用:0次
6 . 已知函数
在
上有且仅有三个零点,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/502cbd1d52fc2ea4895ec804ade20cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
7 . 若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e75ad45cb3e674efcaad5f9ef43e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61146232950fe0ce07c0030db68b4628.png)
A.63 | B.64 | C.127 | D.128 |
您最近一年使用:0次
解题方法
8 . 已知在
的展开式中,第2项与第3项的二项式系数之比是
.
(1)求
的值;
(2)求展开式中的常数项,并指出是第几项;
(3)求展开式中系数绝对值最大的项.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40dcbfc659ddccd08daa2d19a07c92f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33adb74906403b0b00fcbd9fa691d8b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)求展开式中的常数项,并指出是第几项;
(3)求展开式中系数绝对值最大的项.
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解题方法
9 . 已知二项式
的二项式系数和为
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b61257d597178e076bc49bd2289d27fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814397354c2ae1cb08e0271305970811.png)
A.![]() |
B.展开式中只有第三项的二项式系数最大 |
C.展开式各项系数之和是243 |
D.展开式中的有理项有4项 |
您最近一年使用:0次
名校
解题方法
10 . 已知直线
与曲线
相切于点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6767830cc1811f0f4ea5a008fdc7e723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aedff714510cd7ee68849c930538580a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38cc4e8043fb27abccf766c5f314dfe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc4f29a473e9757d8f24f627f52e9e15.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次