grandes-ecoles 2022 Q5

grandes-ecoles · France · centrale-maths2__pc Proof Deduction or Consequence from Prior Results
Deduce that, for all $P \in \mathbb { R } _ { n - 1 } [ X ]$, $$P = \sum _ { i = 1 } ^ { n } P \left( a _ { i } \right) L _ { i }.$$
Deduce that, for all $P \in \mathbb { R } _ { n - 1 } [ X ]$,
$$P = \sum _ { i = 1 } ^ { n } P \left( a _ { i } \right) L _ { i }.$$