n趋于正无穷,求n^2*sin(n派)的极限

问题描述:

n趋于正无穷,求n^2*sin(n派)的极限

lim(n->∞) n^2.sin(nπ)
sinnπ =0 ; n=1,2,3,.
lim(n->∞) n^2.sin(nπ)
=0