Explain why n(n-1) must be an even number

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asked Dec 20, 2021 63.7k views

3 votes

Explain why n(n-1) must be an even number

Mathematics
high-school

Leszek Szary asked

by Leszek Szary

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1 Answer

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Whether n is an even or odd number, you will always have an even number and an odd number multiplying each other. An even number times an odd number is always an even number.

Celdus answered Dec 25, 2021

by Celdus

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