limxn=0,limxn+1/xn=a,证明|a|≤1lim(xn)=0,lim((xn+1)/(xn))=a,证明|a|≤1_英语解答

limxn=0,limxn+1/xn=a,证明|a|≤1
lim(xn)=0,lim((xn+1)/(xn))=a,证明|a|≤1

人气：200 ℃　时间：2020-06-06 10:53:03

解答

if for some n,|xn|>1,then |xi| keep growing from then on.
so |a|≤1