QUIZ

Question 1/21
Si $f\left(x\right)=\dfrac{x^{3}}{3}+\dfrac{x^{2}}{2}+x+1$ alors ...
  $f'\left(x\right)=x^{2}+x+1$
  $\dfrac{2x^{2}}{3}+\dfrac{x}{2}+1$
  $f'\left(x\right)=\dfrac{1}{3}x^{2}+\dfrac{1}{2}x+1$
  $f'\left(x\right)=\dfrac{3x^{2}+4x^{2}+6}{6}$