Question

a question

Answer 1

What kind of question are you looking for?

Answer 2

for \[ n \in N , 2^3n-7n-1 is divisible b\]

Answer 3

2^3n-7n-1 is divisible by

Answer 4

Is n part of the exponent?

Answer 5

yaa

Answer 6

Hello?! If n is not part of the exponent, as it's written, then I don't see the idea. It's juts n-1, which has, at least, two factors 1 and n-1.