2.2.50 Derivatives and differentials
Condition: Find \( y^{\prime \prime \prime} \) at a given point \( M(x, y) \) : \[ y=7 x-3 \cos 3 x+4, M(0,1) \text {. } \]
Calculation of derivatives and differentials of first and higher orders of functions of one and many variables, including partial derivatives.