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(e) and (f) 2. Evaluate each, using a cofactor expansion about the first and last rows,...
(12 points) Evaluate the determinant of the matrix D using cofactor expansion down the second column, then find det(3D) and det((2D)-1). D = [ 1 -5 301 3 0 4 3 -1 0 -3 0 I 3 8 6 2
1 2 3 4. (10 pts) Evaluate the determinant of 2 5 3 by (a) cofactor expansion about 1 0 8 column 1 and (b) cofactor expansion about row 3.
Compute the determinant of the following matrix using a cofactor expansion across the first row. 6 2 - 2 A= 50 35 4 0 N 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.) OA. Using this expansion, the determinant is (6)(-30) - (2)(2)+(-2)(25)= OB. Using this expansion, the determinant is (6)(-30)+(5)(2)+(3)(25) = OC. Using this expansion, the determinant is...
117 6)
Compute the values of determinants using the cofactor expansion. At each step, choose a row or column that involves the least amount of computation. 6) A= 3 4 5 -2 0 10 0 8 10 0 6 3 0 0 15 1 8 - 4 0 0 0 1 0 3 0 0 0 0 1 2 0 0 0 0 0 -9 Answer: det(A)=-3240.
Compute the determinant by cofactor expansion. At each step, choose a row or column that involves the least amount of computation 300 5 4 7 3 - 4 200 0 6 3 1 7 5 300 4 7 3 -4 = (Simplify your answer.) 200 0 6 3 1 7
Calculate the determinant using cofactor expansion along any row or column. 1 0 3 1 1 1 -3 3 1 1 2 2 6 0 (a) 2 0 6 (b) -4 -2 -5 -1 0 -3 1 1 -1 5 2 2 5 4 1 12 0
3 seperate questions multiple choice
Evaluate the determinant by using a cofactor expansion along any row or column. -5 5 -5 3 0-1 2-2 0 3 0 0 0 -3 4 1 0 150 0-150 0-30 Find the eigenvalues of the given matrix. 2 3 O 1, 2 O 1, -2 -2 1 1 Row reduce the matrix to obtain a row equivalent matrix. 4 -2 31 -3 -11 9-5 1-2 3 4 3 [1 4 -2 3 0 1...
Compute the determinant by cofactor expansion. At each step, choose a row or column that involves the least amount of computation. 5 0 0 5 4 8 3 - 7 (Simplify your answer.) O 3 0 0 9 2 1 7
Compute the determinant by cofactor expansion. At each step, choose a row or column that involves the least amount of computation. 50 -8 4 -6 0 0 3 0 0 ܗ 6 3 -6 -9 4 0 5 4 -4 0 0 7 -2 4 5 0 -8 4 O 0 0 3 O 6 3 -6 5 -9 = (Simplify your answer.) 4 0 5 4 -4 00 7 -2 4
Compute the determinant by cofactor expansion. At each step, choose a row or column that involves the least amount of computation. 5 2 2 40 3 0-4 1 0 4 - 8 34 1 3 0 0 0 0 9 3 4 30 5 2 24 0 3 0-4 1 0 4 - 8 3 4 1 = 3 0 000 9 3 4 30 (Simplify your answer.)