italy-esame-di-stato 2024 Q4

italy-esame-di-stato · Other · esame-di-stato__matematica Sign Change & Interval Methods

4. Prove that the equation $x ^ { 3 } + x - \cos x = 0$ admits a unique positive solution.

4. Prove that the equation $x ^ { 3 } + x - \cos x = 0$ admits a unique positive solution.\\