Question

For any two positive integer n, prove that (n³-n) is divisible by 6​

Answer 1

Step-by-step explanation:

Whenever a number is divided by 3, the remainder obtained is either 0 or 1 or 2. ... ∴ n = 2q or 2q + 1, where q is some integer. If n = 2q, then n is divisible by 2.

Answer 2

Answer:

The positive integers are.

3 and 2.

Check:

1)(3³ - 3)/6

27-3/6

24/6

= 4.

2)(2³-2)/6

8-2/6

6/6

= 1.

hope it helps you.