名校
1 . 我们称
元有序实数组
为
维向量,
为该向量的范数.已知
维向量
,其中
,
,记范数为奇数的
的个数为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2cce76f37e2fc64bc9891e374782e6.png)
________ .(用含
的式子表示,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223ed9652852ca4d996fd1f20808df9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60a79b7ec77425af9152ef0cd3dacfe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45981f9cd45bf7b0655d3c9e461fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1e894b2a2d6b062551e7d16fce65940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38a1efdf5e172ab6f9d63fdef25671ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee1569b400d0560d7c42228ad9df6f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2cce76f37e2fc64bc9891e374782e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
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名校
解题方法
2 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1196db72f1d2df1ded968a6762c37bab.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ac39b25d00b9a520c40f7087e42737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1196db72f1d2df1ded968a6762c37bab.png)
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名校
解题方法
3 . 用记号
表示
,
,其中
,
.
(1)设
,求
的值;
(2)在条件(1)下,记
,且不等式
恒成立,求实数t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71857b12f9f468ed3d6bc21868207c31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f782ffcf8817dad96fdfee42c71e02a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/469792a9e0a6ebd61dc2c8fc84667666.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2928f2bf2a086d6301b5352f7ef1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3f22b4eac73e5ee8cc5391c34d9795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13423c094861baf4b759b7f3d8c3c226.png)
(2)在条件(1)下,记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7163d6c2cdf54fcf7146a3dc09c1eab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30e2e80678693b86fdc9bb94af65becd.png)
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解题方法
4 . 已知
,(其中
).
(1)当
时,计算
及
;
(2)记
,试比较
与
的大小,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fd8ae629fb0bba502e5434f2392a486.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c345907ebe27888332b1b44c666cc47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35f7dcce39f3d4dc6b7faf84dc1d0a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed70cf593e473e304e218637b06ec9b5.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aabd537345fb304124ba9fbfa39517b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185feb9bc0a28bc4c5aed2cabb5c6ae0.png)
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2022-09-28更新
|
679次组卷
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5卷引用:预测11 计数原理-【临门一脚】2020年高考数学三轮冲刺过关(江苏专用)
(已下线)预测11 计数原理-【临门一脚】2020年高考数学三轮冲刺过关(江苏专用)(已下线)专题1 数学归纳法及其变种 微点3 数学归纳法综合训练(已下线)2023-2024学年高二下学期期中复习解答题压轴题十七大题型专练(2)江苏省苏州市五校2019-2020学年高三上学期12月月考数学试卷河南省信阳市固始县2019-2020学年高二下学期期中数学(理科)试题
名校
5 . (1)已知
,求
的值.
(2)已知
的展开式中,各项的系数和比各项的二项式系数和大992.求展开式中系数最大的项.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2dcbe0bdfce1a528e71e86a2931c2a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c07cbfbfd1d255399cdfdb62d301be.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7ae0bd0ce0892d96bf9ebb9f02126f.png)
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名校
6 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5cea8dd57067c4b85ba9dfce25460f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9b0eaad665b8eaa858f89035bad07be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5cea8dd57067c4b85ba9dfce25460f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-01-16更新
|
4229次组卷
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4卷引用:6.3.2 二项式系数的性质 -【帮课堂】2022-2023学年高二数学同步精品讲义(人教A版2019选择性必修第三册)
(已下线)6.3.2 二项式系数的性质 -【帮课堂】2022-2023学年高二数学同步精品讲义(人教A版2019选择性必修第三册)【全国百强校】黑龙江省哈尔滨市第三中学2018-2019学年高二上学期期末考试数学(理)试题广西钦州市第一中学2019-2020学年高二5月月考数学(理)试题河北省任丘市第一中学2019-2020学年高二下学期开学考试数学试题