Question: Hw help 2. Consider the following determinant. [8 points each] NOY 7 1 +3 -2 1 + 3 (a) Show the expansion of the determinant

Hw help

2. Consider the following determinant. [8 points each] NOY 7 1 +3 -2 1 + 3 (a) Show the expansion of the determinant using a cofactor expansion. Do the calculations by hand so that your instructor can see each of the 212 determinants. (b) Find all values of A so that the determinant equals 0. 3. Find the value of k so that the following matrix is singular. [8 points] 2

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