lim (1/x^2)*∫[(1+2t)*e^(t-x^2)]dt=?注:积分范围是0-》x^2 lim的下面是x-》00

问题描述:

lim (1/x^2)*∫[(1+2t)*e^(t-x^2)]dt=?注:积分范围是0-》x^2 lim的下面是x-》00