Discussion
If n is an integer, then which one of the following expressions must be even?
*This question is included in Nova Math - Problem Set F: Number Theory, question #34
| (A) | n2 + 1 |
| (B) | ... |
| (C) | ... |
| (D) | ... |
| (E) | ... |
| (F) | ... |
The solution is
Posted: 08/11/2013 19:22
What about n=0?
Posted: 08/11/2013 19:23
Nevermind