急,what value does lnx/(x-1) approach as x approaches

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急,what value does lnx/(x-1) approach as x approaches

问题是问当X趋向于1的时候, lnx/(x-1)趋向于什么值.
答案是lnx/(x-1)趋向于1.

当X趋近于1时,Ln x(x-1)趋近于什么值?