计算lim(n→∞)(1^n+2^n+3^n)^(1/n)

问题描述:

计算lim(n→∞)(1^n+2^n+3^n)^(1/n)

3=(3^n)^(1/n)lim(n→∞)3=3=)由挟逼准则知
lim(n→∞)(1^n+2^n+3^n)^(1/n)=3