解题方法
1 . 已知等差数列
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73cd85daf4f291f5819ea0d9246094b1.png)
(1)求数列
的通项公式
(2)求数列
的前
项和
及
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73cd85daf4f291f5819ea0d9246094b1.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)求数列
![](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/fe10f66e597b17c84d620a6ece747347.png)
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解题方法
2 . 已知圆
的弦过点
,当弦长最短时,该弦所在直线方程为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08227ca941898eb34941f446ca8b1de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
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解题方法
3 . 若函数
的最小值为
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267322639a9ebee3467f34b1a80a0055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.![]() | C.4 | D.![]() |
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2023-12-12更新
|
332次组卷
|
4卷引用:黑龙江省虎林市实验高级中学2021-2022学年高二上学期期末数学试题
黑龙江省虎林市实验高级中学2021-2022学年高二上学期期末数学试题(已下线)专题10 导数12种常见考法归类(3)(已下线)专题1.4 利用导数研究函数的极值和最值(八个重难点突破)-2023-2024学年高二数学下学期重难点突破及混淆易错规避(人教A版2019)(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)
4 . 下列说法正确的有( )
A.不论![]() ![]() ![]() |
B.直线![]() ![]() ![]() ![]() |
C.直线![]() ![]() ![]() |
D.两条平行直线![]() ![]() ![]() |
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5 . 设
,则直线
的倾斜角
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd341a04edbc32a4ab5d9d6c65cfb371.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/340cfc28dbff28e37fa9efeeaf052de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
6 . 过点
,且横纵截距的绝对值相等的直线可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4f1f2b3e349a9be5fb156ae31525b9c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
7 . 过点
引直线,使它与两点
距离相等,则此直线方程可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530e5817131adf2c05b99ff18eb9060f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7445a26973c4f90af4339d1634112f9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
8 . 在直三棱柱
中,
,且异面直线
与
所成的角等于
,设
.
(1)求
的值;
(2)求平面
与平面
夹角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5c70d4397610444a282f3c28d14ac5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/666dc2a5188fa45948bb6e772685ac1d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/25/eb3d4e2c-20c9-420d-b223-8b44687bbda1.png?resizew=150)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9539f8fb13345b449274b67bbda995db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b1cb1895553c4256dc9d0c500565b79.png)
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解题方法
9 . 如图:直三棱柱
中,
.
为
的中点,
点在
上且
.
(1)求证:
平面
;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc323b0b2c0dc1a404d2e41bb2543f1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86814dbae9a5343d69bb4647900b3bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/490f0c21a0bfecc1447d54803af0b119.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/29/9153b7d5-a2b6-4fe0-81a1-c9790858d4c9.png?resizew=157)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f30533da2e1d2a958dc906c37eba9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b7b7793d29d66dfdd89e7a6564a35c.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98f7123bbc27f7a1afb9d25b365c85ab.png)
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2023-09-24更新
|
302次组卷
|
2卷引用:黑龙江省鸡西市实验中学2022-2023学年高二上学期10月月考数学试题
名校
10 . 已知两条直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a6ba42b1e57c80132507d8b2f3865f8.png)
(1)求当
时
的值
(2)求当
时
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a6ba42b1e57c80132507d8b2f3865f8.png)
(1)求当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1095c036b49c3327baaa2c3c7f746134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)求当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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