[tex]f(x) = \frac{1}{2} \times x {}^{2} = > 0 = \frac{1}{2} \times {x}^{2} < = > \frac{1}{2} \times {x}^{2} = 0 < = > {x}^{2} = 0 = > x = 0 \\ f(x) = \frac{1}{3} \times x {}^{2} = > 0 = \frac{1}{3} \times x {}^{2} < = > \frac{1}{3} \times x {}^{2} = 0 < = > {x}^{2} = 0 = > x = 0[/tex]
Succes! In ambele funcții, soluția este 0
