lim [(x^2+1)/(x^3+1)] *(3+cosx) (n→∞)_数学解答

lim [(x^2+1)/(x^3+1)] *(3+cosx) (n→∞)

人气：476 ℃　时间：2020-04-02 17:34:59

解答

因为
3+cosx是个有界函数x→∞lim[(x^2+1)/(x^3+1)]=02=<3+cosx<=4所以原极限=0��2/3��Ϊ3+cosx�Ǹ��н纯��x��lim[(x^2+1)/(x^3+1)]=02=<3+cosx<=4��ԭ��=0��ǹ�̣��ȷ��û��?�㿴��д��û