怎么构造数列 已知数列{an}满足a1=5,an+1=3an+2n+1 (n∈N*) 求通项
已知数列{an}满足:a1=3,an+1=(3an-2)/an ,n∈N*.(Ⅰ)证明数列{(an-1)/an-2
已知数列{an}满足,a1=2,a(n+1)=3根号an,求通项an
已知数列{An}满足:A1=3 ,An+1=(3An-2)/An,n属于N*.1)证明:数列{(An--1)/(An--
已知数列{an}满足a1=312,且3an+1=an(n∈N*,n≥1)
已知数列{an}满足an+1=2an+n+1(n∈N*).
一道【数列】解答题已知数列{an}满足an/an-1=(n+1)/(n-1),(n∈N*,n>1),a1=2注意:an-
已知数列{an}满足an+an+1=2n+1(n∈N*),求证:数列{an}为等差数列的充要条件是a1=1.
已知数列{an}满足a1=1,an+1=2an/(an+2)(n∈N+),则数列{an}的通项公式为
已知数列{an}满足a1=1/2,sn=n^2an,求通项an
已知数列{an}满足an+1=2an+3.5^n,a1=6.求an
已知数列(An)满足A1=1 An+1=3An 数列(Bn)前n项和Sn=n*n+2n+1
已知数列{An}满足:A1=5 An+1=2An+3(n∈N*),令Bn=An-3n