已知数列an满足a1=511a6=-2/1

已知数列{an}中,a1=8,且2an+1+a6=6,其前n项和为Sn,则满足不等式|Sn-2n-4|已知数列{an}中,a1=8,且2an+1+a6=6,其前n项和为Sn,则满足不等式|Sn-2n-

数列满足a1+a2+……+an=2n^2-3n+1,求a4+a5+a6+.+an数列满足a1+a2+……+an=2n^2-3n+1,求a4+a5+a6+.+an数列满足a1+a2+……+an=2n^2

已知数列an满足a1=a2=1,an+2/an+1-an+1/an=1,则a6-a5的值如何用构造新数列的方法解这个题已知数列an满足a1=a2=1,an+2/an+1-an+1/an=1,则a6-a

已知等差数列｛an｝满足a3+a6=-1/3,a1*a8=-4/3且a1＞a8求数列｛an}通项公式谢谢了,已知等差数列｛an｝满足a3+a6=-1/3,a1*a8=-4/3且a1＞a8求数列｛an}

如果数列an满足a1,a2/a1,a3/a2,...,an/an-1是首项为1,公比为2的等比数列,则a6=如果数列an满足a1,a2/a1,a3/a2,...,an/an-1是首项为1,公比为2的等

如果数列an满足a1,a2/a1,a3/a2……an/an+1,…是首项为1,公比为2的等比数列,则a6=如果数列an满足a1,a2/a1,a3/a2……an/an+1,…是首项为1,公比为2的等比数

已知数列{an}满足an+1=2an+3.5^n,a1=6.求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an+1=2an+3.5^n,a1=6.求ana

已知数列{an}满足a1=1,an+1(n+1为下标)=an(n为下标)+n+1求a6已知数列{an}满足a1=1,an+1(n+1为下标)=an(n为下标)+n+1求a6已知数列{an}满足a1=1

已知数列{an}满足a1=1,an+1(n+1为下标)=an(n为下标)+n+1求a6已知数列{an}满足a1=1,an+1(n+1为下标)=an(n为下标)+n+1求a6已知数列{an}满足a1=1

已知数列{an}满足;a1=m(m为正整数）a（n+1)=an/2（an为偶数）,a（n+1)=3an+1（an为奇数）,若a6=1,求m已知数列{an}满足;a1=m(m为正整数）a（n+1)=an

已知数列满足a1=1,an+1+2an=2求an已知数列满足a1=1,an+1+2an=2求an已知数列满足a1=1,an+1+2an=2求ana(n+1)+2an=1a(n+1)-1/3=-2an+

已知数列an满足条件a1=-2an+1=2an+1则a5已知数列an满足条件a1=-2an+1=2an+1则a5已知数列an满足条件a1=-2an+1=2an+1则a5a[n+1]=2a[n]+1a[

已知数列{an}满足a1=1,an+1·an=2^n则s2012已知数列{an}满足a1=1,an+1·an=2^n则s2012已知数列{an}满足a1=1,an+1·an=2^n则s2012我来帮你

已知数列{an}满足An+1=2^nAn,且A1=1,则通项an已知数列{an}满足An+1=2^nAn,且A1=1,则通项an已知数列{an}满足An+1=2^nAn,且A1=1,则通项an解An+

已知数列{an}满足a1=1/2,sn=n^2an,求通项an已知数列{an}满足a1=1/2,sn=n^2an,求通项an已知数列{an}满足a1=1/2,sn=n^2an,求通项an∵s[n]=n

已知数列an满足an=1+2+...+n,且1/a1+1/a2+...+1/an已知数列an满足an=1+2+...+n,且1/a1+1/a2+...+1/an已知数列an满足an=1+2+...+n

已知数列{an},满足a1=1/2,Sn=n²×an,求an已知数列{an},满足a1=1/2,Sn=n²×an,求an已知数列{an},满足a1=1/2,Sn=n²×a

已知数列an满足a1=1/2sn=n平方×an求an已知数列an满足a1=1/2sn=n平方×an求an已知数列an满足a1=1/2sn=n平方×an求an如图an=Sn-S(n-1)=n^2*an-

已知数列An满足A1=1/2Sn=N²An求An已知数列An满足A1=1/2Sn=N²An求An已知数列An满足A1=1/2Sn=N²An求An易得a2=1/6、a3=1

已知数列an满足an+1=nan,a1=2,求an通项已知数列an满足an+1=nan,a1=2,求an通项已知数列an满足an+1=nan,a1=2,求an通项a(n+1)=nana(n+1)/an