名校
解题方法
1 . 已知函数
.(注:
是自然对数的底数).
(1)当
时,求曲线
在点
处的切线方程;
(2)当
时,函数
在区间
内有唯一的极值点
.
①求实数a的取值范围;
②求证:
在区间
内有唯一的零点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04dd929466e5c6154e117736e7f6a44e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a6e994de8c5b24d0a7c460bdffba4b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01dc2d99655cf7598837cb0886166ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
①求实数a的取值范围;
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e76dfbda3e7b9b432b2204130c53eb75.png)
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3卷引用:天津市南开中学2024届高三第四次月检测数学试卷
名校
解题方法
2 . 已知a,b,c分别是
的内角A,B,C的对边,且
.
(1)求
.
(2)若
,
的面积为
,求
的周长.
(3)在(2)的条件下,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df702c20d6e496f8049c8abe9a5bbc04.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11f787941cb1abfe9bb757276b765c0b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45373166e0a004b3b4d910655d409b94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b12efb03327f461e868b2ea433f9b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)在(2)的条件下,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf4c9be85ec07da65e5ec5e0bef21496.png)
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3卷引用:天津市南开中学2024届高三第四次月检测数学试卷
3 . 已知正项数列
的前
项和为
,且
.
(1)求数列
通项公式;
(2)设
,求数列
的前
项和
;
(3)若数列
满足
,求证:
![](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/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce817f902302ebdd5a599e43df77614.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ff70f509957ecf6e073c0a2c8d625f.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/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(3)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554bff5a596a15b2b9e8ad411670e3e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc443414528c83ce5fb988102c96f1f1.png)
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名校
解题方法
4 . 设
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891322ef3ed2ba69fcc077739f1259b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab22273fedcacb6dfb71da25429e4ac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7704657ba6aa226715e1c93b14e4f89a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
5 . 在
中,角
所对的边分别为
,已知
,
,
.
(1)求
的值;
(2)求
的值;
(3)求
的值.
![](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/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae7888d643678ea18f83f3237732052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d7bb7bde8a6f08ad26d2e86cba4b6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e5d4f93699f8dcffb0e7840ca5597e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66df1ae0ae26f6662e3cc86b028a4522.png)
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3卷引用:天津市宁河区2024届高三上学期期末数学试题
天津市宁河区2024届高三上学期期末数学试题天津市武清区杨村第三中学2023-2024学年高一下学期第一次过程性评价数学试题(已下线)专题11.2正弦定理-重难点突破及混淆易错规避(苏教版2019必修第二册)
解题方法
6 . 在平行四边形
中,
,
是
的中点,
,若设
,则
可用
,
表示为__________ ;若
的面积为
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9fa6107a40510334d4dfa875b94c17b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32905649969178ac0426c6186627948d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7d3a0680780aaf4549c447fe8dfe9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ed421edfa196cb03a2521d0170e1ca.png)
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4卷引用:天津市宁河区2024届高三上学期期末数学试题
天津市宁河区2024届高三上学期期末数学试题(已下线)2024年高考数学二轮复习测试卷(天津专用)(已下线)考点5 平面向量的应用 --2024届高考数学考点总动员【练】天津市武清区杨村第三中学2023-2024学年高一下学期第一次过程性评价数学试题
名校
7 .
是虚数单位,复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a3fc19701414f607a543fb81d267ea6.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a3fc19701414f607a543fb81d267ea6.png)
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4卷引用:天津市宁河区2024届高三上学期期末数学试题
2024·云南昭通·模拟预测
8 . 函数
向左平移
个单位
得到
,若
是偶函数,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8226eb805070bc69ea82a1d4c6c6f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4922420ec5ff536688489156f0d4ac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46626b75bd7bc420bf32b66e3253b40b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9卷引用:2024年高考数学二轮复习测试卷(天津专用)
(已下线)2024年高考数学二轮复习测试卷(天津专用)(已下线)云南省昭通市2024届高中毕业生诊断性检测数学试卷(已下线)考点7 函数y=Asin(ωx+φ)的图象、性质 --2024届高考数学考点总动员【讲】2024届高三新改革适应性模拟测试数学试卷二(九省联考题型)(已下线)热点3-2 三角函数的图象与性质(10题型+满分技巧+限时检测)-2陕西省渭南市蒲城县2024届高三第二次对抗赛数学(理科)试题(已下线)【第三练】5.6.1匀速圆周运动的数学模型+5.6.2函数的图象(已下线)第七章:三角函数-同步精品课堂(人教B版2019必修第三册)(已下线)1.6 函数y=Asin (ωx+φ)的性质与图象4种常见考法归类(2)-【帮课堂】(北师大版2019必修第二册)
名校
解题方法
9 . 已知函数
,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62a2acd78f1a62783eb297fa3cb27d5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f33f8a626a06831be0022462f16b4b3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . “
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e46371f310e03a153a1698aad9d4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c2719086b8a40b862c9caee7710f979.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 |
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