1) [m]y = \log_{2} (5x^3+6x^2-6)[/m]
[m]y' = \frac{1}{\ln 2} \cdot \frac{1}{5x^3+6x^2-6} \cdot (5x^3+6x^2-6)' = \frac{1}{\ln 2} \cdot \frac{15x^2+12x}{5x^3+6x^2-6} [/m]
2) [m]y = \sin (x^3 + 2x+6)[/m]
[m]y' = \cos (x^3 + 2x+6) \cdot (x^3 + 2x+6)' = \cos (x^3 + 2x+6) \cdot (3x^2 + 2)[/m]