Which condition makes y′=f(x,y)y' = f(x,y)y′=f(x,y) have a unique solution?
fff is continuous
∂f∂y\frac{\partial f}{\partial y}∂y∂f is continuous
fff is differentiable
Both fff and ∂f∂y\frac{\partial f}{\partial y}∂y∂f are continuous