Question

so what is this one! :)

Answer 1

GOOD MORNING friends in advance

$it's \: \: mean \: \: that \: \: the \: \: function \: \: is \: \: true \: \: for \: \: n = it \: \: is \: \: equal \: \: to \: \: even \: \: number \: \: and \: \: when \: \: n = odd \: number$

↑↑↑↑↑↑↑↑↑↑↑↑

hope it is helpful to you

｡◕‿◕｡✌️

(◠‿◕)*.✧