grandes-ecoles 2016 Q7

grandes-ecoles · France · x-ens-maths__psi Proof Deduction or Consequence from Prior Results

Deduce from question 6 that $x > 0$ and $x + O x \geq 0$ as well as $x - O x \geq 0$. Conclude.

Deduce from question 6 that $x > 0$ and $x + O x \geq 0$ as well as $x - O x \geq 0$. Conclude.