通过对一般幂值函数y ﹦ u(x)v(x),(u(x)>0)的求导,推导出更复杂的幂指函数y ﹦ f(x)u(x)v(x),(f(x), u(x)>0)的求导公式与极限运算,得出了极限运算定理,并通过实例验证其正确性。%Based on the derivation methods of general power exponent function and the derivation of y﹦u(x)v(x),(u(x)>0), the correct derivation method and limit formula for y﹦f(x)u(x)v(x),(f(x),u(x)>0)were obtained.
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