grandes-ecoles 2018 Q1

grandes-ecoles · France · centrale-maths2__psi Proof Direct Proof of an Inequality

Justify that $\forall k \in \llbracket 1 , n \rrbracket , 0 \leqslant X ^ { k } \leqslant 1 + X ^ { n }$.

Justify that $\forall k \in \llbracket 1 , n \rrbracket , 0 \leqslant X ^ { k } \leqslant 1 + X ^ { n }$.