已知函数y=a^x2-3x+3,当X属于【1,3】时有最小值1/8,求a的值y=a^x2-3x+3 =a(x^2-3/a *x +3/a)=a(x^2 -2*3/2a*x +3/2a-3/2a)=a(x-3/2a)^2-3/2x=1,y=1/8,dedao :a(1-3/2a)^2-3/2=1/8,x=3,y=1/8,dedao :a(3-3/2a)^2-3/2 ...