lim(1-2/x)^x/2+1(x趋向于无穷)求极限

问题描述:

lim(1-2/x)^x/2+1(x趋向于无穷)求极限

令x/2=t,x=2t
x-->∞时,即t--> ∞
lim(1-2/x)^(x/2)+1
=lim(1-1/t)^t+1
=e+1