Derivadas de órden superior

$$\quad \frac{d^2 y}{dx^2}= \frac{d}{dx}\left(\frac{dy}{dx}\right)=f''(x)=y''$$ (29)

$$\quad \frac{d^3 y}{dx^3}= \frac{d}{dx}\left(\frac{d^2 y}{dx^2}\right)=f'''(x)=y'''$$ (30)

$$\quad \frac{d^n y}{dx^n}= \frac{d}{dx}\left(\frac{d^{(n-1)} y}{dx^{(n-1)}}\right)=f^{(n)} (x)=y^{(n)}$$ (31)