s4uebblachrinaanard s4uebblachrinaanard

18-01-2017
Mathematics

contestada

. If you have an even number of negative factors, what is the sign of the product?

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apologiabiology apologiabiology

18-01-2017

every pair of negatives cancel

ok so
(-)(-)=(+)
so
(-)²ⁿ=(+)
where n is a whole number

the sign is positive

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