f(x)+f'(1)-lnx/x=1 ,
求导得:f‘(x)=(1-lnx)/x^2 f'(1)=1 f(x)=lnx/x
g'(x)=a-2f'(x)=a-2(1-lnx)/x^2
g'(1)=a-2 g'(1/e)=a-4e 由(a-2)(a-4e)
f(x)+f'(1)-lnx/x=1 ,
求导得:f‘(x)=(1-lnx)/x^2 f'(1)=1 f(x)=lnx/x
g'(x)=a-2f'(x)=a-2(1-lnx)/x^2
g'(1)=a-2 g'(1/e)=a-4e 由(a-2)(a-4e)