展开全部
lim(x->0) { 2/[3x^(1/3)] } . { 1/[1+x^(2/3)] -1 }
=-(2/3)lim(x->0) [ 1/x^(1/3) ] . { 1- 1/[1+x^(2/3)] }
=-(2/3)lim(x->0) [ 1/x^(1/3) ] . { x^(2/3)/[1+x^(2/3)] }
=-(2/3)lim(x->0) x^(1/3)/[1+x^(2/3)]
=-(2/3) [ 0/(1+0)]
=0
=-(2/3)lim(x->0) [ 1/x^(1/3) ] . { 1- 1/[1+x^(2/3)] }
=-(2/3)lim(x->0) [ 1/x^(1/3) ] . { x^(2/3)/[1+x^(2/3)] }
=-(2/3)lim(x->0) x^(1/3)/[1+x^(2/3)]
=-(2/3) [ 0/(1+0)]
=0
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
推荐律师服务：
若未解决您的问题，请您详细描述您的问题，通过百度律临进行免费专业咨询
