当x趋向于0+时 与根号X等价无穷小量是

lim[x→0+] (1-e^√x)/√x= lim[x→0+] (√x)'(-e^√x)/(√x)'= lim[x→0+] (-e^√x)= -1lim[x→0+] ln(1+√x)/√x= lim[x→0+] (√x)'/(1+√x)/(√x)'= lim[x→0+] 1/(1+√x)= 1lim[x→0+] [√(1+√x)-1]/√x= lim[...