- #1
eddybob123
- 178
- 0
Find all ordered pairs (m,n) such that mn-1 divides n^3+1.
Hint #1:
Write the expression as a+bn for some coefficients a and b.
Hint #2:
Show that if (m,n) is a solution, then (n,m) is also a solution.
Good luck!
Hint #1:
Write the expression as a+bn for some coefficients a and b.
Hint #2:
Show that if (m,n) is a solution, then (n,m) is also a solution.
Good luck!