lim[1^n+2^n+3^n]^(1/n)等于多少
问题描述:
lim[1^n+2^n+3^n]^(1/n)等于多少
n→无穷
答
A=lim[1^n+2^n+3^n]^(1/n)
A>lim[3^n]^(1/n)=lim[3]=3
A