Question: Please verify my answers are correct. Compute the determinant using a cofactor expansion across the first row. Also compute the determinant by a cofactor expansion

Please verify my answers are correct.

Compute the determinant using a cofactor expansion across the first row. Also compute the determinant by a cofactor expansion down the second column. 2 - 3 3 2 Compute the determinant using a cofactor expansion across the first row. Select the correct choice below and fill in the answer box to complete your choice. (Simplify your answer.) O A. Using this expansion, the determinant is (2)( - 9) - ( -3)( -4) + (3)(7) = |-9 O B. Using this expansion, the determinant is ( - 3)( - 4) - (1)( -5) + (4)( -2) = O C. Using this expansion, the determinant is - ( - 3)( - 4) + (1)( - 5) - (4)( -2) = O D. Using this expansion, the determinant is - (2)( -9) + (-3)(-4) - (3)(7) =. Compute the determinant using a cofactor expansion down the second column. Select the correct choice below and fill in the answer box to complete your choice. (Simplify your answer.) O A. Using this expansion, the determinant is - (- 3)( - 4) + (1)( -5) - (4)( -2) = -9 O B. Using this expansion, the determinant is ( - 3)( -4) - (1)( -5) + (4)( - 2) = O c. Using this expansion, the determinant is - (2)( -9) + ( -3)( -4) - (3)(7) = O D. Using this expansion, the determinant is (2)( -9) - ( - 3)( - 4) + (3)(7) =

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