已知数列{an}满足a1=1,an+1 -an+2an+1•an=0求通项
来源:学生作业帮助网 编辑:六六作业网 时间:2025/01/21 15:22:00
已知数列{an}满足a1=1,an+1-an+2an+1•an=0求通项已知数列{an}满足a1=1,an+1-an+2an+1•an=0求通项已知数列{an}满足a1=1,a
已知数列{an}满足a1=1,an+1 -an+2an+1•an=0求通项
已知数列{an}满足a1=1,an+1 -an+2an+1•an=0求通项
已知数列{an}满足a1=1,an+1 -an+2an+1•an=0求通项
a(n+1)-an+2a(n+1)·an=0
an-a(n+1)=2a(n+1)·an
等式两边同除以a(n+1)·an
1/a(n+1) -1/an=2,为定值
1/a1=1/1=1,数列{1/an}是以1为首项,2为公差的等差数列
1/an=1+2(n-1)=2n-1
an=1/(2n-1)
n=1时,a1=1/(2×1-1)=1,同样满足通项公式
数列{an}的通项公式为an=1/(2n-1)
已知数列{an}满足a1=1 an+1=an/(3an+1) 则球an
已知数列{an}满足an+1=an+n,a1等于1,则an=?
已知数列{an}满足an+1=2an+3.5^n,a1=6.求an
已知数列{an}中满足(An+1-An)(An+1+An)=16,且a1=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a(n+1)=an+n,a1=1,则an=
已知数列满足a1=1 ,an+1+2an=2 求an
已知数列{an}满足a1=1,an+1·an=2^n 则s2012
已知数列{an}满足An+1=2^nAn,且A1=1,则通项an
已知数列an满足条件a1=-2 an+1=2an+1则a5
已知数列{an}满足a(n+1)=an+lg2,a1=1,求an
已知数列{an}满足an=an+1 -lg2,且a1=1,则通项公式为?
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=n^2an,求通项an
已知数列{an}满足3an+1+an=4,a1=9,求通项公式.
已知数列an满足a1=1/2 sn=n平方×an 求an
已知数列An满足 A1=1/2 Sn=N²An 求An
已知数列an满足an+1=nan,a1=2,求an通项