(a) Compute the determinant of the matrix A below. Show all of the 3x3 cofactors used...

  

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(a) Compute the determinant of the matrix A below. Show all of the 3x3 cofactors used in your calculations and show any row operations used to simplify the problem if you did that. 2-150 2 7 0 2 A= -8 0 11 3 6 13 7 1 (b) Use Cramer's rule to compute the solution to AX=b for the matrix A and b= Show all matrices used in the calculation. 5 1204 (a) Compute the determinant of the matrix A below. Show all of the 3x3 cofactors used in your calculations and show any row operations used to simplify the problem if you did that. 2-150 2 7 0 2 A= -8 0 11 3 6 13 7 1 (b) Use Cramer's rule to compute the solution to AX=b for the matrix A and b= Show all matrices used in the calculation. 5 1204