2.2.43 Derivatives and differentials
Condition: Find the derivatives of the functions: 1) \( y=x^{7} \arctan (4 x-3) \), 2) \( y=\sin \left((1-2 x)^{1+2 x}\right) \).
Calculation of derivatives and differentials of first and higher orders of functions of one and many variables, including partial derivatives.