题目lim _(x arrow 0)(1-mx)^(1)/(x)=e^2,则m=( )A. -1/2B. 2C. -2D. 1/2$\lim _{x \rightarrow 0}(1-mx)^{\frac{1}{x}}=e^{2}$,则$m=$( )A. $-1/2$B. $2$C. $-2$D. $1/2$题目解答答案C. $-2$