Question: 
If m and n are positive integers, which of the following must be an even integer?
n(n - 1)(m - 1)
n(n - 1)(m - 1)
(n - 1)m
(m - 1)(n - 2)
n(m - 1)
Answer: 
n(n - 1)(m - 1)
Last Updated: 
08/11/2021 - 03:25