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已知函数,设数列{an}同时满足下列两个条件:①;②an+1=f'(an+1).(Ⅰ)试用...
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已知函数
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAHQAAAAjCAYAAABFES5oAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAztJREFU
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aCsGhn095mmC9HBMyyZG7LcFFULodizzeuwKnfP3SergFDcVGYTu+0WmVmJbBqEpz5dBqC/9toyQ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)
,设数列{a
n}同时满足下列两个条件:①
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGAAAAAgCAYAAADtwH1UAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
;②a
n+1=f'(a
n+1).
(Ⅰ)试用a
n表示a
n+1;
(Ⅱ)记
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAHEAAAAgCAYAAAAlrJeCAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
,若数列{b
n}是递减数列,求a
1的取值范围.
相关试题
-
已知函数
,设数列{an}同时满足下列两个条件:①
;②an+1=f'(an+1).
(Ⅰ)试用an表示an+1;
(Ⅱ)记
,若数列{bn}是递减数列,求a1的取值范围.
-
已知等差数列{an}的各项均为正数,其前n项和为Sn,首项a1=1.
(Ⅰ)若
,求S5;
(Ⅱ)若数列{an}中存在两两互异的正整数m、n、p同时满足下列两个条件:①m+p=2n;②
,求数列的通项an;
(Ⅲ)对于(Ⅱ)中的数列{an},设
(n∈N*),集合Tn={bi•bj|1≤i≤j≤n,i,j∈N*},记集合Tn中所有元素之和Bn,试问:是否存在正整数n和正整数k,使得不等式
成立?若存在,请求出所有n和k的值;若不存在,请说明理由.
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设二次方程
有两个实根α和β,且满足6α-2αβ+6β=3.
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已知数列{an}同时满足下面两个条件:①不是常数列;②它的极限就是这个数列中的项.则此数列的一个通项公式an=________.
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已知数列{an}同时满足下面两个条件:①不是常数列;②它的极限就是这个数列中的项.则此数列的一个通项公式an=________.
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①
;
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对于任意的n∈N*,若数列{an}同时满足下列两个条件,则称数列{an}具有“性质m”:
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,
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-
定义:同时满足下列两个条件的数列{an} 叫做“上凸有界数列”,①
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(I)若数列{an} 的前n项和为Sn,且Sn=2n-1,试判断数列{an} 是否为上凸有界数列;
(Ⅱ)若数列{bn}是等差数列,Tn为其前n项和,且b3=4,T3=18,试证明:数列{Tn}为上凸有界数列.
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(1)求y=f(x)的表达式;
(2)数列{an},{bn},若对任意n均存在一个函数gn(x),使得对任意的非零实数x都满足gn(x)•f(x)+anx+bn=xn+1,(n∈N*),求:数列{an}与{bn}的通项公式.