$n^{2}-1$ is divisible by x+y, then n is a

E

Editor

Sep 18, 2022

$n^{2}-1$ is divisible by x+y, then n is a

Difficulty: Easy

A:

Positive integer

B:

Positive odd integer

C:

Positive even integer

D:

Prime number

ID: 63273db9ca83163ac3a116c7