12-13高三上·浙江宁波·阶段练习
解题方法
1 . 已知函数
的定义域为R,当
时,
,且对任意的实数
R,等式
成立.若数列
满足
,且
(
),则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18faa17bb2b0660e8270727077d9f15e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0065a63123e2cf222ce7babc7bd43ee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351eaa6b20d5cfedb861122e459abfd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b38e873bf2c1055e5d6d56b700b0c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d737c1047a14cee12a6671383e244fa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbee4ceccdf3396733d915ea9ab8dcbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b7db926d8049f54d3c4accab09731e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851c8763f6700bccac95949fc0d316f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4651f7530c7f7c12f703b1ed00c673a6.png)
A.4024 | B.4023 | C.4022 | D.4021 |
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10-11高二·山东·期末
2 . 已知等差数列
的公差为2,若
成等比数列,则
等于 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/920ad6b9e7f1c2c4a5a3025ba57e71b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
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3 . 已知f(1,1)=1,f(m,n)∈N*(m,n∈N*),且对任意m,n∈N*都有
(1)f(m,n+1)=f(m,n)+1 (2)f(m+1,1)=3f(m,1)给出下列三个结论:
①f(1,5)=5②f(5,1)=81③f(5,6)=86.
其中正确命题的序号为
(1)f(m,n+1)=f(m,n)+1 (2)f(m+1,1)=3f(m,1)给出下列三个结论:
①f(1,5)=5②f(5,1)=81③f(5,6)=86.
其中正确命题的序号为
A.①② | B.①③ | C.②③ | D.①②③ |
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