高数题,高数题,
高数题,
=lim[1 + 1/(x+1)]^3(x+1) * [1 + 1/(x+1)]^(-2)={lim[1 + 1/(x+1)]^(x+1) }^3 * lim[1 + 1/(x+1)]^(-2)=e^3 * (1 + 0)^(-2)=e^3