N is a positive integer
explain why n(n-1) must be an even number
1 answer:
Answer:
if 'n' is positive and odd then reducing it by one gives you an even; so then you are multiplying and even and an odd which results in an even
if 'n' is positive and even then reducing it by one gives you an odd; so then you are multiplying and even and an odd which results in an even
Step-by-step explanation:
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