求lim n→∞ (1+2/n)^n+3

问题描述:

求lim n→∞ (1+2/n)^n+3

lim n→∞ (1+2/n)^(n+3)=lim n→∞ (1+2/n)^n*lim n→∞ (1+2/n)^3=e^2.