📢 QuizNe.vn will officially cease operations on 27/08/2026. Thank you for being with us.
- $ {x^5} - 2{x^3} + x + C$.
- $ \\\frac{{{x^4}}}{4} + 2{x^3} - 2x + C$.
- $ 20{x^5} - 12{x^3} + x + C$.
- $ 20{x^3} - 12x + C$.