X的立方根—1/X的平方根—1的极限,(X—>1)
问题描述:
X的立方根—1/X的平方根—1的极限,(X—>1)
答
lim[x^(1/3)-(1/x)^(1/2)-1],(X—>1)
=limx^(1/3)-lim(1/x)^(1/2)-1,(X—>1)
=1-1-1
=-1