Question

for any pisitive integer n prove that ncube-n is divisible by 6.

Answer 1

ncube - n is divisible by 6
for e.g.
=)n=2
=)ncube = 8-2
=6
i.e. divisible by 6
6÷6=1

Answer 2

Step-by-step explanation:

let n be the integer 7,8,9

so that,

343-7=336

512-8=504

729-9=720

where each no. is divided by 6.