设等差数列{an}的公差d≠0,数列{bn}为等比数列,若a1=b1,b2=a3 b3=a2,则bn的公比为
问题描述:
设等差数列{an}的公差d≠0,数列{bn}为等比数列,若a1=b1,b2=a3 b3=a2,则bn的公比为
答
设等差数列{an}的公差d≠0,数列{bn}为等比数列,若a1=b1,b2=a3 b3=a2,则bn的公比为