Page 140 - Elementary_Linear_Algebra_with_Applications_Anton__9_edition
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Evaluate the determinant of the matrix in Exercise 1 by a cofactor expansion along
3.
(a) the first row
(b) the first column
(c) the second row
(d) the second column
(e) the third row
(f) the third column
For the matrix in Exercise 1, find
4.
(a)
(b) using Theorem 2.1.2
In Exercises 5–10 evaluate by a cofactor expansion along a row or column of your choice.
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