早教吧作业答案频道 -->数学-->
〔(1-x)^(1/2)-3〕/〔2-(x)^(1/3)〕,当x趋向于-8时,极限是多少?
题目详情
〔(1-x)^(1/2)-3〕/〔2-(x)^(1/3)〕,当x趋向于-8时,极限是多少?
▼优质解答
答案和解析
lim [(1-x)^(1/2)-3]/[2-(x)^(1/3)] (x->-8)
=lim {[1-(-8)]^(1/2)-3}/[2-(-8)^(1/3)] (x->-8)
=lim (3-3)/[2-(-2)] (x->-8)
=0
=lim {[1-(-8)]^(1/2)-3}/[2-(-8)^(1/3)] (x->-8)
=lim (3-3)/[2-(-2)] (x->-8)
=0
看了 〔(1-x)^(1/2)-3...的网友还看了以下：