italy-esame-di-stato 2017 Q9

italy-esame-di-stato · Other · esame-di-stato__matematica Proof Existence Proof

9. Prove that the equation:
$$\arctan ( x ) + x ^ { 3 } + e ^ { x } = 0$$
has one and only one real solution.

9. Prove that the equation:

$$\arctan ( x ) + x ^ { 3 } + e ^ { x } = 0$$

has one and only one real solution.