I’d like you to my birthday next Sunday. 发布时间:2017-05-18 13:40 │ 来源:www.tikuol.com 题型:选择题 问题: I’d like you to my birthday next Sunday.A.invitingB.to inviteC.inviteD.will invite
题型:选择题 已知函数f(x)=x2-ax+b(a,b∈R)的图像经过坐标原点,且f′(1)=1,数列{an}的前n项和Sn=f(n)(n∈N*),(Ⅰ)求数列{an}的通项公式;(Ⅱ)若数列{bn}满足log3bn=an+1+log3n,求数列{bn}的前n项和。 查看答案