(不清楚我有图,在线等)在数列{an}中,a1=2,an+1=an⼀3an+1(n属于N*)猜测数列通项an并证明

2025-03-04 05:16:29
推荐回答(1个)
回答1:

a1=2,
a2=a1/3a1+1=5/3,
a3=4/3

an+1减an
=an/3an+1减an
=1/3
即an+1=an+1/3