1.写出f(x),g(x)的导态兆数f '(x)=x^2-(a+1)x-4(a+5)g ' (x) =5/x+ax-1令f(x),g(x)的导数均为零对f '(x),x=-4或x=a+5对g ' (x) ,帆粗租ax^2-x+5=0若x=-4,a=-9/凳吵16若x=a+5,a=0,-4,-62.
好难啊 !