Question: 1 Co O 4. Let A = 0 2 4 0 2 (a) Find the determinant of A by cofactor expansion. (b) Find A- if

1 Co O 4. Let A = 0 2 4 0

1 Co O 4. Let A = 0 2 4 0 2 (a) Find the determinant of A by cofactor expansion. (b) Find A- if A is invertible

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