1 . 已知函数
,
,若存在实数
使
在
上有2个零点,则
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7fceb2c73d92d7c3abfc70f9bde2b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7ce9120a714c2fb1f2bded90416be4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b7c2420c387be8882df4359ac10b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30e62a68c0dfbfdda7bee162408768ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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昨日更新
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300次组卷
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5卷引用:辽宁省沈阳市东北育才学校2023-2024学年高二实验部下学期阶段检测二(6月)数学试题
辽宁省沈阳市东北育才学校2023-2024学年高二实验部下学期阶段检测二(6月)数学试题上海市川沙中学2023-2024学年高二下学期期中考试数学试题(已下线)专题10 函数的零点问题(一题多变)(已下线)专题05导数及其应用--高二期末考点大串讲(沪教版2020选修)(已下线)专题05导数及其应用全章复习攻略--高二期末考点大串讲(沪教版2020选修)
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2 . 一个盒子中有大小相同的4个红球3个白球,若从中任取3个小球,则在“抽取的3个球中至少有一红球”的前提下“抽取的3个球全是红球”的概率是_________ ;若用
表示抽取的三个球中白球的个数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac87b4bd71432d757c7b78bbd6b2dcfd.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac87b4bd71432d757c7b78bbd6b2dcfd.png)
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3 . 已知圆
,直线
,
为直线
上的动点,过点
作圆
的两条切线,切点分别为
,
,则直线
过定点______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f25834d8218c53cb975c2a2fe7442a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4958a3ab5b7a862f715b14822710b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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4 . 函数
在
上单调递减,且
的图象向左平移
个单位后与原来的图象重合.若方程
在
上的解为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176939fbe2a6f8285cc934781693b311.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b2bb7354fb64b7bf5ae232a93747955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b46e371d805f68a3d5210501f494d227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9bf0adbe45ec2819dbe8cf4ec99008f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf79351686762c4c82f5ac2240f84011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176939fbe2a6f8285cc934781693b311.png)
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7日内更新
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322次组卷
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2卷引用:辽宁省沈阳市第二中学2023-2024学年高一下学期期中考试数学试卷
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5 .
的展开式中,含
的项的系数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea8bc3e5da0891d8837d868d2011c962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/444b7c16b01e374ab6b6cfbb51add3cd.png)
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2024-06-11更新
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584次组卷
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3卷引用:辽宁省沈阳铁路实验中学2024届高三第八次模拟考试数学试题
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6 . 如图是某质点做简谐运动的部分图像,该质点的振幅为2,位移
与时间
满足函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
,点
在该函数的图象上,且位置如图所示,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ce0514a53129fd56e47ee732539e8f.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a083c54c34f4cc2ab2f92fe07f10e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/718c815c4ff96d8a768764875b2cb4a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ce0514a53129fd56e47ee732539e8f.png)
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2024-06-11更新
|
200次组卷
|
2卷引用:辽宁省沈阳铁路实验中学2024届高三第八次模拟考试数学试题
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7 . 已知
,且
,记随机变量X为x,y,z中的最小值,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5b9249c10ae3896e2ee96bfa1a153e5.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe0b46982da384c26db4c2b05435b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4180425c618f82e01c3c01e4f5c256bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5b9249c10ae3896e2ee96bfa1a153e5.png)
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解题方法
8 . 在
中,已知内角
的对边分别为
的面积为
,点
是线段
上靠近点
的一个三等分点,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e30c0a5c92f50dce1f7624709950ff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e617a09827c3a857548d97ead5c358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a311738db3fc5431d14a0942542a62e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
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9 . 已知各项均大于零的数列
的前
项和为
,且
,则
的最小值等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0b066416d8d61e8666b3b9d5d24a789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7fc751b8e3ce3aefeaf96898802c2ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08c9965a04c2a6de04e949a15762f372.png)
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10 . 已知
与
为非零向量,
,若
三点共线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6d83c928c31f443a3597be5b841557d.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c6024d4e2dfee6c6beee0d3a50b422.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6d83c928c31f443a3597be5b841557d.png)
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