设f(x)=3xln(1-x^2),g(x)=sin^2,则x趋于0时f(x)是g(x)的同阶还是等价还是高阶无穷小?题目打错一点g(x)=sin^2x
问题描述:
设f(x)=3xln(1-x^2),g(x)=sin^2,则x趋于0时f(x)是g(x)的同阶还是等价还是高阶无穷小?
题目打错一点g(x)=sin^2x
答
设f(x)=3xln(1-x^2),g(x)=sin^2,则x趋于0时f(x)是g(x)的同阶还是等价还是高阶无穷小?
题目打错一点g(x)=sin^2x