解题方法
1 . 设
,
分别是双曲线
的左、右焦点,则该双曲线的渐近线方程为______ ;若点P在双曲线上,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/757959fa7dd76eee8a0469dc1051918d.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3bb40eca0847b7a24593f9ed3d779e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ce67f2138e7295cd72d66b2908cb6de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/757959fa7dd76eee8a0469dc1051918d.png)
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2023-09-22更新
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226次组卷
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2卷引用:河北省邯郸市魏县第五中学2022-2023学年高二上学期12月月考数学试题
2 . 定义一种运算:
.令函数
,且
.若
有三个零点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83e590fa0b13ad3e9c9756642ef53a3.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c6f44a339efd12624abd2f270d2bd45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe6d36cbdc3e0b2f8096db69328e1e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe3d1552b0adca7800469a2c5d066ea0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83e590fa0b13ad3e9c9756642ef53a3.png)
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解题方法
3 . 对
表示不超过
的最大整数.十八世纪,
被高斯采用,因此得名为高斯函数.人们更习惯称之为“取整函数”,例如:
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b5f44078394622ed6e52fbabeb66a25.png)
______ ;方程
有______ 个实数根.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a79d0ef3d3349bb02831ec03b28c32c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7179c645736d68c90023f83d7f11ed01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2ae14cdf62d0a69dda9a58d1ea9640.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b5f44078394622ed6e52fbabeb66a25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6befa0b9ee083aedf46983d83d3f6d80.png)
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2023-02-05更新
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453次组卷
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5卷引用:河北省唐山市开滦第二中学2022-2023学年高三上学期期中数学试题
河北省唐山市开滦第二中学2022-2023学年高三上学期期中数学试题新疆维吾尔自治区喀什地区巴楚县2023届高三上学期1月期末考试数学(理)试题新疆维吾尔自治区喀什地区巴楚县2023届高三上学期1月期末考试数学(文)试题(已下线)第六篇 数论 专题2 数论函数 微点3 数论函数综合训练(已下线)第三篇 以学科融合为新情景 情境1 与高等数学融合
解题方法
4 . 如下图,
地在
地的正东方向
处,
地在
地的北偏东
方向
处,河流的沿岸
(曲线)上任意一点到
的距离比到
的距离远
,则曲线
的轨迹方程(以
中点为原点)是___________ ;现要在曲线
上选一处
建一座码头,向
两地转运货物,那么这两条公路
的路程之和最短是___________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57601db9d81fffe2b6b472db94c3c5b.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/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8495aac4cdd1e86a8485ab00490fd137.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.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/d2bd4f1b3a3f3e534c5c3b39266f1ac8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e453b6640e3dc4c7b7b2a996a2199ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3f80b25ae1dc9c36a2398f3215cd443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fe30c67ac20cd4e8b9cc2d0d420a7b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/8/d2523f44-278c-497a-aa8f-bf863ae51e6b.png?resizew=195)
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5 . 抛物线
的焦点
到准线的距离为2,过点
的直线与抛物线
交于
,
两点,拋物线
的准线与
轴的交点为
.若
的面积为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52bb0f4140073a47e45c5093be46f1a9.png)
______ ,______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e10cb36e448590c4431e6effe8536d0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a11cb104b04c4e6a1be700e81da279a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af2fdf1944afebb51cb6a5e6c74aadd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52bb0f4140073a47e45c5093be46f1a9.png)
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6 . 在数列
中,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
__________ ;设
,数列
的前
项和
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1220efe972fe0616ee1a7453a864296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e437ac0f8cbcf397d46a41552835417.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e834473727071950788d11a8d4e2a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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7 . 我们不妨约定:在平面直角坐标系中,若某函数图象上至少存在不同的两点关于直线
(n为常数)对称,则把该函数称之为“
函数”.
(1)在下列关于x的函数中,是“
函数”的是__________ .(填序号)
①
;②
;③
.
(2)若关于x的函数
(h为常数)是“
函数”,与
(m为常数,
)相交于
两点,A在B的左边,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1be7302f2e9ff02fee3fcf26e77b1c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1da54ac8437ac735fb49b27b42d0af5.png)
(1)在下列关于x的函数中,是“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1da54ac8437ac735fb49b27b42d0af5.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498bcfd1aac03057dcd0adef2dd113a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7222e0ddab019e0f491ff028a7eec812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26212ec7bdae17218544433866f8572d.png)
(2)若关于x的函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02108a79e42795e6e2f40cf5e89b0ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20042b812f4344224dca7a6549f5410b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa1263a739f264e93e1b5063d1f5f46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e7cd0824107cef93da8a01227e2cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c157fa6049a060759b2521958f82b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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解题方法
8 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3c988d875438535244ee2b092a779b.png)
________ ,其单调增区间是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d99e14d5b286d0594d31c489146794fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3c988d875438535244ee2b092a779b.png)
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9 . 已知
的三个内角
所对的边分别为
,且
,则
面积的最大值是________ ;若
分别为
的内切圆和外接圆半径,则
的范围为_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7af7c5df749c6fa9bbe87faa72c66d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f2599ca8b6b683e57a82699c8b1ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a51bac4d189c3331784ced94cb2918db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87a64d7c6c78c1b9c8f6513eb818d10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f99028e75e200bc987ec2d6dde072b20.png)
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2023-01-05更新
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1109次组卷
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7卷引用:河北省张家口市2023届高三上学期期末数学试题
河北省张家口市2023届高三上学期期末数学试题河北省张家口市2023届高三上学期期末数学试题重庆市第八中学校2023届高三下学期入学考试数学试题(已下线)浙江省衢州、丽水、湖州三地市2022届高三(二模)数学试题变式题11-16(已下线)“8+4+4”小题强化训练(13)重庆市北碚区西南大学附属中学校2023届高三(拔尖强基班)下学期期中数学试题(已下线)考点18 解三角形中的范围问题 --2024届高考数学考点总动员【练】
名校
解题方法
10 . 已知曲线C由抛物线
及抛物线
组成,
,
,D,E是曲线C上关于x轴对称的两点,A,B,D,E四点不共线,其中点D在第一象限,则四边形ABED周长的最小值为____________ ,此时直线AD的斜率为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/029d213f131f206f5f3520860de56690.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/397d7476fadbc4f22e4c7c4fd693a57f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd8a31b5335186eb1bea5c80cddcfd9.png)
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2023-01-03更新
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136次组卷
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2卷引用:河北省部分学校2023届高三上学期期末数学试题