已知函数,f(x)=x3x+1,数列{an}满足a1=1,an+1=f(an)( 发布时间:2017-05-03 13:55 │ 来源:www.tikuol.com 题型:解答题 问题: 已知函数,f(x)=x3x+1,数列{an}满足a1=1,an+1=f(an)(n∈N*)(I)求证数列{1an}是等差数列,并求数列{an}的通项公式;(II)记Sn=a1a2+a2a3+..anan+1,求Sn.
题型:解答题 Do you know _____I saw yesterday? It was my favorite star, Jackie!A.whomB.whenC.whereD.how 查看答案