名校
解题方法
1 . 设
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9745f117d6195d82a7093a8b7ac5726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d18d5cc420cc3e8a0cc612db4d9b9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb6355c7ddd1c545ccf474bb551f095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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名校
2 . 点P是椭圆
上一点,
,
分别是其左、右焦点,若
,离心率为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.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/f6fd7e8d87160b086a1022e76e487277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
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3 . 某中学响应政府号召,积极推动“公益一小时”,鼓励学生利用暑假时间积极参与社区服务,为了保障学生安全,与社区沟通实行点对点服务.原计划第一批派遣18名学生,以后每批增加6人.由于志愿者人数暴涨,学校与社区临时决定改变派遣计划,具体规则为:把原计划拟派遣的各批人数依次构成的数列记为
,在数列
的任意相邻两项
与
之间插入
个2,使它们和原数列的项构成一个新的数列
.按新数列
的各项依次派遣支教学生.记
为派遣了50批学生后参加公益活动学生的总数,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f255d0395fba51ca2d44293cca42e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81775f70c307d5180f35da9fdca08e01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41c71edbeb3d53406efd871d6a0b92ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a34a901aa78366ac960f5f4e7f1fcbac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a34a901aa78366ac960f5f4e7f1fcbac.png)
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4 . 已知正四棱锥的侧棱长为
,其各顶点都在同一个球面上,若该球的体积为
,则该正四棱锥的侧棱与底面所成的角的正弦值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16768ba0c15a45c0652cc3546a111802.png)
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5 . 以两条直线
的交点为圆心,并且与直线
相切的圆的方程是_____________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced2fbf08310eee95c31a0891b23b8ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274641ca2216d05465dada099ef933e0.png)
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6 . 若
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d6ab606fb600ac1ce35f38de14a1a6.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23051b6aee2d9d687a3a2ddd11c86e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a825db80e00bfca03f7ea4eb364ce990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d6ab606fb600ac1ce35f38de14a1a6.png)
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解题方法
7 . 已知
,M为平面ABC外一点,
,点M到
两边
的距离均为
,那么M到平面ABC的距离为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a437beb9a4f71a71a5e5418185aada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e675a92cad72c65aa4071b9d9e226090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
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8 . 函数
的图象关于坐标原点成中心对称的充要条件是函数
为奇函数,可以将其推广为:函数
的图象关于点
成中心对称的充要条件是函数
为奇函数.已知函数
图象成中心对称,则:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b07e723effb95625536408ff7b786261.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d0969cb7acbeaa05a101a385348a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28034dcafe542a98d95d4504ad7d8a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b07e723effb95625536408ff7b786261.png)
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9 . 已知抛物线
,点
为抛物线上的动点,点
与点
的距离
的最小值为2,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ff6b21ba3128c0834aa3486ba92127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4323dcce28ed1206e6ff65600d0dc9e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
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2024-02-04更新
|
743次组卷
|
2卷引用:安徽省合肥一六八中学等学校2024届高三上学期名校期末联合测试数学试题
名校
解题方法
10 . 已知函数
,若
恒成立,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6c77d4df3dda38df4766cdc3f72f6cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb23272635181bb51db5a6a1917d73aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2024-02-04更新
|
1098次组卷
|
4卷引用:安徽省合肥一六八中学等学校2024届高三上学期名校期末联合测试数学试题
安徽省合肥一六八中学等学校2024届高三上学期名校期末联合测试数学试题安徽“耀正优+”2024届高三名校上学期期末测试数学试题(已下线)专题07 函数的极值和最值的应用8种常考题型归类【好题汇编】-备战2023-2024学年高二数学下学期期末真题分类汇编(北师大版2019选择性必修第二册)河南省信阳市新县高级中学2024届高三考前第三次适应性考试数学试题