lim [(x^2+1)/(x^3+1)] *(3+cosx) (n→∞)

问题描述:

lim [(x^2+1)/(x^3+1)] *(3+cosx) (n→∞)

因为
3+cosx是个有界函数x→∞lim[(x^2+1)/(x^3+1)]=02=