名校
解题方法
1 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82a355281002ce7d471d83e59da0454.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d176af0a00680162d71e477f0a18d694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82a355281002ce7d471d83e59da0454.png)
您最近一年使用:0次
解题方法
2 . 若复数
与
都为纯虚数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97dbe9ca4029eb3ee37e4add7039d491.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
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3 . 设
为虚数单位.若集合
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c55c7d13e62e480f6d5ac27410b97455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1324b9229f0259ef8ee358a812dfe7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c1f19fb2321a717c1e8c8927a93a5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2024-05-31更新
|
408次组卷
|
2卷引用:广东省韶关市乐昌市第二中学2024届高三下学期保温测试(5月模拟)数学试题
名校
解题方法
4 . 已知
,若函数
有5个零点,则实数
的取值范围是_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a994158489926804a076deb042d639d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f46514ab6b6a86f780c00a38c27b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5 . 函数
的定义域是__________ .(结果写成集合或区间形式,否则不得分 )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc508f0fd65a6f69ddf78a0ee34731a6.png)
您最近一年使用:0次
名校
解题方法
6 . 在三棱锥
中,侧面所在平面与平面
的夹角均为
,若
,且
是直角三角形,则三棱锥
的体积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41a48250ebe4a625f0839d076b61c31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
您最近一年使用:0次
2024-04-24更新
|
1087次组卷
|
2卷引用:广东省韶关市2024届高三综合测试(二)数学试题
7 . 二项式
的展开式中,
项的系数是常数项的
倍,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f5c9956bf575c7416345bae1f88358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212d6e1f4d7dcc0e5e902c46e3b1dfcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
您最近一年使用:0次
2024-04-24更新
|
1241次组卷
|
2卷引用:广东省韶关市2024届高三综合测试(二)数学试题
名校
8 . 已知平面向量
均为单位向量,且
,则向量
与
的夹角为______ ,
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c4a309ec357e57ec8b8a5303cab6745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b58704fb17a45b084446e7a5bd251ea3.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/afe5a52451d18ffef2ffe52994daa6c7.png)
您最近一年使用:0次
2024-04-24更新
|
1415次组卷
|
3卷引用:广东省韶关市2024届高三综合测试(二)数学试题
解题方法
9 . 如图,点P,A,B均在边长为1的小正方形组成的网格上,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4647867808844a778dd5dc1ef2131aac.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4647867808844a778dd5dc1ef2131aac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/8/70d4bb47-3d63-4604-8353-6adba97f7498.png?resizew=161)
您最近一年使用:0次