已知数列{an}、{bn}满足:a1=1/4,an+bn=1,bn+1=bn/1-an^2.
(1)求证:数列{1/bn-1}是等差数列(2)求数列{an}的通项公式(3)设Sn=a1a2+a2a3+a3a4+…+anan+1,若4aSn