g(x)=f(x)/e^x,则g'(x)等于

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g(x)=f(x)/e^x,则g''(x)等于g(x)=f(x)/e^x,则g''(x)等于g(x)=f(x)/e^x,则g''(x)等于∵g(x)=f(x)/e^x∴e^x·g(x)=f(x)两边同时对x

g(x)=f(x)/e^x,则g'(x)等于
g(x)=f(x)/e^x,则g'(x)等于

g(x)=f(x)/e^x,则g'(x)等于
∵g(x)=f(x)/e^x
∴e^x·g(x)=f(x)
两边同时对 x 求导:
e^x·g(x)+e^x·g'(x)=f'(x)
∴g'(x)=f'(x)/e^x -g(x)