## anonymous 5 years ago a question

1. anonymous

What kind of question are you looking for?

2. anonymous

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

3. anonymous

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

4. anonymous

Is n part of the exponent?

5. anonymous

yaa

6. anonymous

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.