grandes-ecoles 2021 Q16

grandes-ecoles · France · centrale-maths1__official Number Theory Divisibility and Divisor Analysis

Show that, for every natural integer $n$, $$C_{n} = \frac{(2n)!}{(n+1)! \, n!}$$

Show that, for every natural integer $n$,
$$C_{n} = \frac{(2n)!}{(n+1)! \, n!}$$