1 . 在三棱柱
中,
为棱
的中点.设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a0403ac454adcfe15510c249f659119.png)
,用基底
表示向量
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a0403ac454adcfe15510c249f659119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8780f5b68f8907a57c1c2f96233a78c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538069efac71963182b33227725a80aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304a7f07db2ec637baadf8f0ab91c85c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ace1f0505dac8a8ea7bca12dc94eb41.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/31/b22ddf59-560a-49f7-8389-b3fef1cc7851.png?resizew=165)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 已知点
在抛物线
上,且点A到抛物线准线的距离为3,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb57bb18755127be041d346444a4743e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8112f9185c7d48b015d9cd0525616b31.png)
A.1 | B.2 | C.![]() | D.![]() |
您最近一年使用:0次
名校
3 . 已知半径为1的圆经过点
,过点
向圆作切线,则切线长的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1e95fb519f59c46f40e4ab44660073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/accf35598ee054f1bf8b6584641d6d85.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-31更新
|
227次组卷
|
2卷引用:北京市平谷区2023-2024学年高二上学期期末教学质量监控数学试卷
4 . 已知
,若存在
,使
,则正整数
的一个取值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/798af57938408f6e1fa1493c05242aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/935f18a5ed65b476a55e2aefabc8dd79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/759a215e15a62a75ee49781cdc4786cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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解题方法
5 . 在
中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ff368d244114153f5ccb68022bb2c2d.png)
__________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69aac8b6b16676c948ca2862a371186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ff368d244114153f5ccb68022bb2c2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
名校
6 . 在
的展开式中,
的系数为__________ .(用数字作答)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d74cda2b20c3a10b27867301a97b8831.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2024-01-31更新
|
419次组卷
|
2卷引用:北京市顺义区2024届高三上学期第一次统练数学试题
7 . 已知
,
,则“
”是“
”( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9707dcd2a38e5cb5fe8222ccacb3e09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b7f6baaea1692ea689bd6199aa2e7a.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
解题方法
8 . 设
为等差数列
的前
项和.若
,公差
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](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/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3012337aa392709349731fb1eef5b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca8b31f45a7a7f86eff8cc60f704e49f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.5 | B.4 | C.3 | D.2 |
您最近一年使用:0次
名校
9 . 已知
在
上单调递减,且
,则下列结论中一定成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee21db6628e4db3f5831370549fa96b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-01-31更新
|
719次组卷
|
4卷引用:北京市顺义区2024届高三上学期第一次统练数学试题
北京市顺义区2024届高三上学期第一次统练数学试题(已下线)广东省深圳中学2023-2024学年高三寒假开学适用性考试数学试题(已下线)3.2.1单调性与最大(小)值(第1课时)四川省眉山市仁寿第一中学校北校区2024届高三下学期二诊模拟数学(文)试题
10 . 已知集合
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082b52ee9b0dacaa86d48b3b1b64811a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a80d7773cc765e127bdfb2122888504.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次