Count row exchanges to find these determinants: det 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 0 = 1
Chapter 4, Problem 4.2.5(choose chapter or problem)
Count row exchanges to find these determinants: det 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 0 = 1 and det 0 1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 = 1.
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