首页
己知数列{an}满足a1,an+1=.(I)求数列{an}的通项公式;(II)记Sn=a1...
试题详情
己知数列{a
n}满足a
1,a
n+1=
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACQAAAAxCAYAAACyGwuwAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAcRJREFU
WEftl+GtwyAMhOnKrMMmzMEULOHaEPKAponBRuJJ5U8rlZIvZ3xwL8BhdhoEtNMwO8Gkav2AHhT4
7woFcMZgV1rwwYM1DoJyzfkKRQJAkEgEEbxFMKeNw97UGaB+fnAGbKZTHTyFguvUIMCilioPr+1J
jVqd6C0Y67Fw+oOlUA2UYHBjrygX3xipZKm7MggBroJiKaRfmO8rKgAd3pT2VP197jXkQDFCxJJa
H7Dz0CiTX80bphwIhUiehDDJlj4sYkwpBSAqk0VbyCbQW8QYDtupb5atFRGWi9/2tzyVaRZ7EJxx
CiUbLcr9/B/Qk577KVTOqB0+VbrsqQSjv+9XstE3WD1/U4WqC9iKJHGpapNi/magQng4nlaf7zMC
5+dV9BTgMygYoPtMtYz0tG6I8MHfXy7fEvok1eyhdIG/XGEysc4DHUmULvI9kCSxzgMdQqeH1xFn
PLGWRHLp/M3LMkpGWE3ZpIlVrFC+g55lEydWOVCb2cWJdQaoRONc864NVyXWY6+WfVZvrU2PDp6/
drN0E2tZfF4h5cQqB1JOrApAuolVDqScWMVAjWkqJFYx0FRjMv4032WMxWembAf0BuC2bfpIJRi0
AAAAAElFTkSuQmCC
)
.
(I)求数列{a
n}的通项公式;
(II)记S
n=a
1a
2+a
2a
3+…+a
na
n+1,求S
n.
相关试题
-
己知数列{an}满足a1,an+1=
.
(I)求数列{an}的通项公式;
(II)记Sn=a1a2+a2a3+…+anan+1,求Sn.
-
已知数列{an}满足a1=2,且an=
.
(1)求数列{an}的通项公式;
(2)对一切正整数n,令Sn=a1a2+a2a3+…+anan+1,求Sn.
-
已知函数
,数列an满足a1=1,an+1=f(an)(n∈N*).
(1)求数列{an}的通项公式;
(2)记Sn=a1a2+a2a3+…+anan+1,求Sn.
-
已知函数
,数列an满足a1=1,an+1=f(an)(n∈N*).
(1)求数列{an}的通项公式;
(2)记Sn=a1a2+a2a3+…+anan+1,求Sn.
-
已知函数f(x)=
,数列{an}满足a1=1,an+1=f(an)(n∈N+).
(1)求数列{an}的通项公式;
(2)记Sn=a1a2+a2a3+…+anan+1,求证:Sn<
.
-
已知函数,f(x)=
,数列{an}满足a1=1,an+1=f(an)(n∈N*)
(I)求证数列{
}是等差数列,并求数列{an}的通项公式;
(II)记Sn=a1a2+a2a3+..anan+1,求Sn.
-
已知函数,f(x)=
,数列{an}满足a1=1,an+1=f(an)(n∈N*)
(I)求证数列{
}是等差数列,并求数列{an}的通项公式;
(II)记Sn=a1a2+a2a3+..anan+1,求Sn.
-
已知函数,f(x)=
,数列{an}满足a1=1,an+1=f(an)(n∈N*)
(I)求证数列{
}是等差数列,并求数列{an}的通项公式;
(II)记Sn=a1a2+a2a3+..anan+1,求Sn.
-
已知函数,f(x)=
,数列{an}满足a1=1,an+1=f(an)(n∈N*)
(I)求证数列{
}是等差数列,并求数列{an}的通项公式;
(II)记Sn=a1a2+a2a3+..anan+1,求Sn.
-
已知函数,f(x)=
,数列{an}满足a1=1,an+1=f(an)(n∈N*)
(I)求证数列{
}是等差数列,并求数列{an}的通项公式;
(II)记Sn=a1a2+a2a3+..anan+1,求Sn.