lim(x趋向无穷大)[1+2/(x+2)]^(x+2)
问题描述:
lim(x趋向无穷大)[1+2/(x+2)]^(x+2)
答
lim {[1+2/(x+2)]^(x+2)/2}² x趋向无穷大
=e²
基本极限公式lim(1+1/x)^x= e x趋向无穷大