Question

if n is an integer.Prove that n(n²-1) is multiple of 6.​

Answer 1

Answer:

But they never did, ever-lived, over-flowin

Inhibited, limited, Really broke up

And it rained down, it rained down....

Answer 2

Answer:

let n be 2

2(2×2-1)

=2(4-1)

=8-2

=6

hence proved