Найдите производную функции
\(g(x)=3ln\ x-\frac{4}{3}x^3.\)
\(\frac{3}{x}-4x^2\)
\(\frac{1}{3x}-4x^2\)
\(\frac{3}{x}-\frac{4}{9}x^2\)
\(\frac{3}{x}-\frac{4}{3}x^2\)