(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Is the statement true or sometimes false. Justify your answer:

The determinant of a matrix is unchanged if the columns are written in reverse order.

2. Relevant equations

3. The attempt at a solution

I understand that the only thing that is changed is the sign (negative to positive or visa-versa), but do not understand the proof of how.

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# Homework Help: A simple Linear Algebra question that seems so hard

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