名校
解题方法
1 .
的内角A,B,C的对边分别为a,b,c.已知
.
(1)求A;
(2)若
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69012a36c38163565a2d1ee18f2c68d1.png)
(1)求A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c71cc0d12cc069bb24fb23b9839d5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-11-11更新
|
980次组卷
|
5卷引用:甘肃省白银市靖远县靖远县第一中学2023-2024学年高二上学期期中数学试题
名校
解题方法
2 . 已知函数
,且
,
.
(1)求
的解析式;
(2)若函数
,求
在
上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c0df848bc19edcbe6daf56f36a8b56b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a49357761541c7f84466c45843073e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aff2144d6e1b26db35e9d3309e615573.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5005f2a03e57c58b17004cf43d2b00a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210e75c35fb455d0446eb7ddba7d79c.png)
您最近一年使用:0次
2023-11-10更新
|
235次组卷
|
5卷引用:甘肃省白银市靖远县靖远县第一中学2023-2024学年高一上学期期中数学试题
名校
解题方法
3 . 已知函数
在R上是偶函数,当
时,
,
(1)求函数
在
上的表达式。
(2)在所给的坐标系中做出函数
的图象;
(3)写出函数
的单调区间和值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ffa2b2fa52272ca3b60a319f6d632d9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2628e2dd7a988cc80530e739c22b2280.png)
(2)在所给的坐标系中做出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/1/91774b76-c420-41d0-893d-030f89973cff.png?resizew=202)
(3)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2023-11-09更新
|
77次组卷
|
2卷引用:甘肃省酒泉市实验中学2023-2024学年高一上学期期中考试数学试题
4 . 已知函数
,且
的解集为
.
(1)求a,b的值;
(2)当
时,求
的最小值及取得最小值时x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a83ab22b0c36cd8c26e061db720eb46b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69abe959988e4c8c0739f5857ccfb0f.png)
(1)求a,b的值;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ada0af2a1673f6182f7e70b257a999.png)
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5 . 已知函数
是定义在
上的函数,且
的图象经过
点.
(1)求
的表达式;
(2)用单调性定义证明函数
在
上为增函数;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eab4d7524cdebd7ba7c68793cea6f9c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85be68bcfee53e08e9a14508b4a92527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)用单调性定义证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85be68bcfee53e08e9a14508b4a92527.png)
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6 . 已知
.
(1)求
,
;
(2)若
,求a的值;
(3)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a4f9888a3b85a8125768949ac0e855.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32822a106d217ffdec43557a236f786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa16aea6803864cc915c63e8ee9936c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a04042cd29185f7f48399495d7df371e.png)
(3)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
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7 . 设
,集合
,集合
,求:
,
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dcaf41cda5c2df78a0ed2ac97277ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134a643f0f7232b09fb48edb0737c769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbe9b76a6aea504150cddf87b49a3237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7f860e8f0503c476eaf0bd73a71810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b109e426e848c161a79366657ca264dc.png)
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名校
解题方法
8 . (1)求过点
,且与直线
平行的直线的一般式方程;
(2)求过点
,且在
轴上的截距与在
轴上的截距之和为2的直线的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f798e82ce06955b6961f949479f4ba4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380fb2e666616263a8f116efa000fafa.png)
(2)求过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ca651bfc89628a3b05c6e87ce5d6f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
您最近一年使用:0次
2023-11-09更新
|
544次组卷
|
6卷引用:甘肃省白银市靖远县靖远县第一中学2023-2024学年高二上学期期中数学试题
9 . 在数列
中,
且
.
(1)求
的通项公式;
(2)设
,若
的前
项和为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87395aa63b8d94f744a3f43c43e04898.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e01e8c5b7ad166a98d2b6b0940bd0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.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/f63b998f4909841e47575281936b3f55.png)
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10 . 已知圆
过点
,圆心
在直线
上,且被直线
截得的弦长为
.
(1)求圆
的方程;
(2)若
为圆
上两个不同的点,
为坐标原点,设直线
的斜率分别为
,当
时,求
的斜率
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f1a686b80b8f109a929f58c2de7201d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baabfd32465e9e50409413d9c1358279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5a5e484dfef494d27bc35ae7b8cf75d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b541eb200fc9b410e249cde631d1d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次