2.2.79 Derivatives and Differentials
Condition: Find derivatives \ (d y / d x \) these functions. a) \ (y = x^{2} \ sin 3 x \) b) \ (\ left \ {\ begin {array} {l} y = t+\ arctan 2 t \\ x = t^{3} -6 \ arctan t \ end {array} \ right.
Calculation of derivatives and differentials of first and Higher Orders of Function of One and Many Varia Bybles, Including Partial Derivatives.