摘要:22.设f(x)=为奇函数.且|f(x)|min=.数列{an}与{bn}满足如下关系:a1=2... 的解析表达式, (2)证明:当n∈N*时. 有bn≤.
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设f(x)=
(a>0)为奇函数,且 |f(x)|min=2
,数列{an}与{bn}满足如下关系:
a1=2,an+1=
.
(1)求f(x)的解析表达式;
(2)证明:当n∈N+时,有bn≤(
)n.
网址:http://m.1010jiajiao.com/timu_id_1652913[举报]
设f(x)=
(a>0)为奇函数,且 |f(x)|min=2
,数列{an}与{bn}满足如下关系:
a1=2,an+1=
.
(1)求f(x)的解析表达式;
(2)证明:当n∈N+时,有bn≤(
)n.