已知数列an满足:a1=1,a(n+1)=an/an +2(n∈N*)求证数列1/
已知数列{an}满足a1=1,a(n+1)=3an+2(n属于N) 1.求证数列{an+1}是等比数列 2.求{an}的
已知数列{An}满足A1=1,An+1=2An+2^n.求证数列An/2是等差数列
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=3 an*a(n-1)=2a(n-1)-1,求证数列{1/(an-1)}是等差数列,并求出数列
已知数列{an}满足a1=1,an-a(n+1)=ana(n+1),数列{an}的前n项和为Sn.(1)求证:{1/an
已知数列{an}满足a1=100,an+1-an=2n,则a
已知数列{an}满足,a1=2,a(n+1)=3根号an,求通项an
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a1=1,a(n+1)=2an+1.求证(1)数列a(n+1)是等比数列;(2)求an
已知数列{an}满足a1=33,a(n+1)-an=2n,求an/n的最小值
已知数列{an}满足a1=1,an=2a下标(n-1)+2^n(n≥2,n∈N*) (1)求证数列{an/2^n}是等差
已知数列{an}满足an+1=2an+3.5^n,a1=6.求an