作业帮设函数f(x)=e^-x,则∫[f'(Inx)\x]dx=?要过程
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设函数f(x)=e^-x,则∫[f'(Inx)\x]dx=?要过程
设函数f(x)=e^-x,则∫[f'(Inx)\x]dx=?要过程
设函数f(x)=e^-x,则∫[f'(Inx)\x]dx=?要过程
f(x)=e^(-x)
f'(x)=-e^(-x)
f'(lnx)=-e^(-lnx)=-1/e^(lnx)=-1/x
∫[f'(lnx)/x]dx=∫[-dx/x^2]=1/x+C