..已知数列an中,an+1/3an=2的n次方(n+1为脚标)a1=1 an=?

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/30 07:22:35
..已知数列an中,an+1/3an=2的n次方(n+1为脚标)a1=1 an=?
x){}KMczbޓku lj{fi;>ٱEˬg 5 m Jm`~ \jҴ5BJSU0'*ؚijB@P<;

..已知数列an中,an+1/3an=2的n次方(n+1为脚标)a1=1 an=?
..已知数列an中,an+1/3an=2的n次方(n+1为脚标)a1=1 an=?

..已知数列an中,an+1/3an=2的n次方(n+1为脚标)a1=1 an=?
a(n+1)/(3an)=2
a(n+1)/an = 6
an/a1 =6^(n-1)
an = 6^(n-1)