数列{an}满足an=3an-1+3^n-1 (n属于正整数,大于等于2)已知a3=95(1)求a1,a3;(2){bn}=1|3^n(an-1|2),证明{bn}为等差数列;(3)求{an}通项应为(1)求a1和a2
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/30 19:36:49
x){6uӎՉyv/|msbqbqTx#yOv=[-@:O,Ft>ݾƶ@@g
u
ywvRsm
kAvԀdt^o|6Ɏ]@n_q&4^6zp]SJy:'&Hh\/^tBӵ^.|g3?$_NdWBȡn}8(g_\g
0`u1 Q
数列{an}满足an=3an-1+3^n-1 (n属于正整数,大于等于2)已知a3=95(1)求a1,a3;(2){bn}=1|3^n(an-1|2),证明{bn}为等差数列;(3)求{an}通项应为(1)求a1和a2
数列{an}满足an=3an-1+3^n-1 (n属于正整数,大于等于2)已知a3=95(1)求a1,a3;(2){bn}=1|3^n(an-1|2),证明{bn}为等差数列;(3)求{an}通项
应为(1)求a1和a2
数列{an}满足an=3an-1+3^n-1 (n属于正整数,大于等于2)已知a3=95(1)求a1,a3;(2){bn}=1|3^n(an-1|2),证明{bn}为等差数列;(3)求{an}通项应为(1)求a1和a2
同学 题目是不是错了 a3 已经知道了...
2
a1=77/9;a2=86/3
数列{an}满足a1=1,且an=an-1+3n-2,求an
数列an满足a1=1/3,Sn=n(2n-1)an,求an
数列[An]满足a1=2,a(n+1)=3an-2 求an
已知数列{an}满足a1=4/3,且an+1=4(n+1)an/3an+n
数列{an}满足a1=1,an=3n+2an-1(n≥2)求an
已知数列{an}满足a1=1 an+1=an/(3an+1) 则球an
已知数列{an}满足a1=1,an=(an-1)/3an-1+1,(n>=2,n属于N*),求数列{an}的通项公式
已知数列an满足a1=3,An+1=2An+2^n (1)求证数列[An/2^n]是等差数列 (2)求an通项公式
已知数列an满足a1=1,a(n+1)=an/(3an+2),则an=?
已知数列{an}满足a1=1 ,an+1=3an+2的n+1次幂,求an
已知数列(an)满足a1=1.an+1=3an+2n-1,求an
数列{an]满足a1=1且an+1=an+3n次方,求an通项公式
已知数列{an}满足a1=4,3an=5an(n下-1) +1,求an
已知数列(an)满足an+1=2an+3×2∧n,a1=2求an
数列an满足,a1=1/4,a2=3/4,an+1=2an-an-1(n≥2,n属于N*),数列bn满足b1
数列an满足an+1=3an+n,是否存在适当的a1,使{an}是等差数列,说明理由
已知数列{an}满足a1=2,an=3an-1+2,(n≥2),数列{an}的通项an
已知数列an满足a1=1,a(n+1)=an/(3an+1) 求数列通项公式