C-05-Q135mediumsingle_mcqIf ax−1=a3x+1 (a>0, a≠1)a^{x-1} = a^{3x+1}\ (a > 0,\ a \neq 1)ax−1=a3x+1 (a>0, a=1), then x=x =x= —a−1-1−1b111c000d