2 Consider the following matrix 1 1 1 2 3 4 0 2 2 Solutionc

2. Consider the following matrix, [1 1 1 2 3 4 0 2 2

Solution

c) det(M) = 1*(6 - 8) - 1*(4 - 0) + 1*(4 - 0) = - 2 (answer)

d)

Your matrix

Eliminate elements in the 1st column under the 1st element

Eliminate elements in the 2nd column under the 2nd element

Multiply the main diagonal elements

1 x 1 x (-2) = -2

Determinant is -2

Sign		A1	A2	A3
+	1	1	1	1
2	2	3	4
3	0	2	2