题型:问答题 简答题 已知实系数二次函数f(x)=ax2+bx+c对任何-1≤x≤1,都有|f(x)|≤1.(1)若f(x)=2x2-1,g′(x)=f(x),且g(0)=0,数列{an}满足an=g(an-1),问数列{an}能否构成等差数列,若能,请求出满足条件的所有等差数列;若不能,请说明理由;(2)求|a|+|b|+|c|的最大值. 查看答案
题型:问答题 简答题 ---May I try the jacket on?----_________, but I think it will be too small for you. A.As you likeB.By all meansC.As a resultD.Believe it or not 查看答案