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