对f(x)因式分解得f(x)=ax2-(2a+1)x+a+1=(x-1)(ax-a-1)当x>1时,要满足f(x)<0恒成立,即ax-a-1<0,即a<1/(x-1),而a∈[-2,2],所以1/(x-1)>2,解得10,即a>1/(x-1),而a∈[-2,2],所以1/(x-1)<-2,解得x>1/2,故和x<1矛盾。综上所述1