y=f(x+y)且f(x)可导 其导数不等于1,则dy/dx=

问题描述:

y=f(x+y)且f(x)可导 其导数不等于1,则dy/dx=

dy/dx=f'(x+y)+f'(x+y)dy/dx dy/dx=f'(x+y)/1-f'(x+y)