名校
1 . 已知函数
.
(1)当
时,求曲线
在
处的切线方程;
(2)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eba72d58bfd4f9c1b5007e620d9ae829.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d06e33d079ac1649ee5eea8f61de7cf.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58196b9e63ec00aa1119052b6de6ae12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-05-24更新
|
525次组卷
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2卷引用:浙江省杭州地区(含周边)重点中学2023-2024学年高二下学期期中考试数学试题
2 . 在
中,三个内角
成等差数列,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d40bd9ac27b0e7d953fbe888e50fb7.png)
A.![]() | B.![]() | C.![]() | D.1 |
您最近一年使用:0次
2024-05-20更新
|
1288次组卷
|
3卷引用:浙江省杭州地区(含周边)重点中学2023-2024学年高二下学期期中考试数学试题
名校
解题方法
3 . 如图,在平面四边形
中,
,
,
为
的平分线,且
.
的长;
(2)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8365271d3239f07360fb71e86a8cc3ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4d5ff57f147aa0628fdd47899b5a132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/727ad3e630a224303d6d3b8ad5c114ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f92f49fe3976115b9b0015e366548ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
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解题方法
4 . 在空间直角坐标系中,O为坐标原点,若
,
,
,则点
到平面
的距离为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1377695af30e6d28e3f942614114a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/003c774007e02c8113997ad86f199cd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4253626de21d00aa5a8e4e5e170e0789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
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5 . 已知抛物线
:
,点
为抛物线
外一点(如图),过点D作
的两条切线,切点分别为A,B.
的方程为
;
(2)若
在直线
上,以
为圆心的圆与直线
相切,且切点为线段
的中点,求该圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cef72cf8297d91045117d50b4e9d3476.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64f2782e222381869ecec738dbe12c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b80f9a90d500b7f4e9dd05c3a57265.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64f2782e222381869ecec738dbe12c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb70fdf064b9193e506ca43f4672af56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba3ea2086e79c4712d27874fc98430b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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6 . 甲口袋中装有2个黑球和1个白球,乙口袋中装有1个黑球和2个白球.设从甲、乙两个口袋中各任取一个球交换放入另一个口袋为一次操作,经过
次这样的操作,记甲口袋中黑球个数为
.
(1)写出
的分布列并计算
;
(2)某人重复进行了100次操作,记
,
,求该数列
的前100项和
的最大值;
(3)定性分析当交换次数趋向于无穷时,
趋向的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d0f3799612b81e85b87241ec8eee68.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/096b1ece1dcd29c59a46a4b3e02cb548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4288f3086ea23cd82eff43f46f5c5a5.png)
(2)某人重复进行了100次操作,记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d8edc0a00a2c28cd69e2c50a27022fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3976a94e7409ea3fa3ee76b73493eae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08c9965a04c2a6de04e949a15762f372.png)
(3)定性分析当交换次数趋向于无穷时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/229494e1240a594592035d23283fedbc.png)
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解题方法
7 . 函数
在区间
上的最大值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dedf08a6e65acfb915a47166f1284780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
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8 . 若函数
有两个零点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6ba5741f54dfc46434f3eb25263847a.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
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9 . 将双曲线
绕原点逆时针旋转45°后,能得到反比例函数
的图象(其渐近线分别为
轴和
轴),所以我们也称反比例函数
的图象为双曲线.同样“对勾函数”
也能由双曲线的图象绕原点旋转得到,则此“对勾函数”所对应的双曲线的实轴长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28bf5b6dc0c77f6415940756380933f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f42b2a9736c8943106472a7398d2892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f42b2a9736c8943106472a7398d2892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/956577886d0f469e56678b40a6234e28.png)
A.![]() | B.4 | C.![]() | D.![]() |
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10 . 下列命题是真命题的是( )
A.对向量![]() ![]() ![]() ![]() ![]() |
B.对复数![]() ![]() ![]() ![]() ![]() |
C.对向量![]() ![]() ![]() ![]() |
D.对复数![]() ![]() ![]() ![]() |
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