1 . 设函数
的定义域
,对任意
,
,都有
.且存在实数
,使得
.若数列
满足:
,求证:当
时,有
(i)
;
(ii)数列
为递增数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d200a7afe1e011713e14886a6887e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e9d063f31e28b30e052bfbf7002663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdbb2855c612a3007d209fb2e02cc37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/245460a7f2be54fa45095316e71014a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0edbb326623182be50be565e94a60e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac69e6db1df13ed64756b4f391ae9fac.png)
(i)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423744758955a28ba23a32c169dbbcbe.png)
(ii)数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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2 . 在等差数列
中,若
,则
的值为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cdf99df09fe1e0a0cdcc1a434649173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4971d8221f7691d653eb67de16d11bd.png)
A.20 | B.22 | C.24 | D.28 |
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3 . 整数列
满足:
,
.且有
,求证:当
时,
为奇数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a00b46a52bab31a0bd6e8603f33fbea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f21c9c920ec8bc13650e9b2f455290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3c48388954fe8c08e0b9e938703ded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
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4 . 已知数列
中,
,
,
,且
,则
=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9b6e51986fe5d7a7265e0e93adcb4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aab38ba6884c6487ba2a86b8f00d39a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46c2b59c48b8680c8b3e206d92ef074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22df3bc0c5dabf2e38e54470133bd45a.png)
您最近一年使用:0次
5 . 设
为等差数列
的前n项和,
,
,
.则n的值为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b75ec86aa0e1fe86f6fdeee4ab26ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7633aa65d663340b88cb35bee59352bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f8c616c48147dff411a307e095508bd.png)
A.16 | B.21 | C.9 | D.8 |
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6 . 已知数列
,其中
,
,则
为整数时最小的自然数
是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adaf8465a46907763d38d0aa35ceb695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8022d629f2a7c032fd48820c43acdd73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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7 . 由数字1,2,…,6构成的且含有1,6相邻的n位数有多少个?
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8 . 数列
、
的定义为
,
,
,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36dfab3d1da98786344a73a58bfb6b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87285cb2d33c9e0e547259954661c49d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6806e145b1e6c0b7c1b74cdf6097070f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b5bf6eaa71dc6dc973742f8075eea39.png)
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9 . 已知集合
用
表示集合
中所有元素之和,则
=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a6ca1bb32359856e15c101b109760f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d55a7d201b7336a2b950c7fb05409bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7f2c72ab559a0615db4c51327b78d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6cf7ac6434a296e93e62b1b07b01a2e.png)
您最近一年使用:0次
10 . 一名篮球运动员进行投球练习.若他投进前一球,则投进后一球的概率为
;若他投不进前一球,则投进后的一球概率为
.已知该队员投进第1球的概率为
.则他投进第4球的概率为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
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