Question

limx→1x∧2-1/lnx步骤越详细越好,谢谢!

Answer 1

x→1时,x-1→0,所以lnx=ln(x-1+1)～(x-1)

所以x→1时,lim[(x^2-1)/lnx]=lim[(x^2-1)/(x-1)]=lim(x+1)=2