N is an odd number. Which statements are true?
You must get them all correct to get any marks.
A: n2 – 1 is odd
B: n(n-1) is odd
C: (n − 1)2 is odd
D: n2 + 2 is odd
E: n(n - 2) is odd F: (n - 2)2 is odd
F: (n - 2)2 is odd