[10] 3. By using only row echelon operations compute the determinant of the matrix 10 25...
Use elementary row operations to reduce the given matrix to row echelon form and reduced row echelon form. Please note when it hits REF and RREF. Thank you! 6. + 0/2 points Previous Answers PooleLinAlg4 2.2.014. Use elementary row operations to reduce the given matrix to row echelon form and reduced row echelon form. [-2 -4 11 | -5 -10 26 Li 2 -5] (a) row echelon form 2 1 -1172 -3/40 0 1 (b) reduced row echelon form 0...
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...
6. Find the determinant of the following matrix using elementary row operations. (Turn the elements above the main diagonal into zeros to have the least amount of calculations.) (10 points) -1 -9 0 -2 -4 -2 -2 4 3 -1 -1 4 3 2 1
Please show all steps clearly. 3. Find the determinant of A using row reduction to an echelon form. Show at least two row equivalent reduced matrices and give the determinant of your final echelon form. 2 3 4 A = 1 3 -2 15 0 -1)
4. Give the row-echelon form and the reduced row-echelon form of the matrix: A = 11 2 0 -1 12 1 -2 51 1 -1 0 1] row-echelon form: reduced row-echelon form:
Question 3 [10 points] Consider the following matrix A and its reduced row-echelon form: A = [-3 3 6 12 0 151 | 1 -1 -2 -4 0 -5 -6 3 9 15 12 18 rret(A) |-1 -1 0 -2 8 -3 [1 0 -1 -1 -4 -1] 01 1 3 -4 4 0 0 0 0 0 0 0 0 0 0 0 0 Find the dimensions of row(A), null(A), and col(A), and give a basis for each of...
Find the determinant of the matrix by using a row/column with the most zeros to simplify your work. Show your work! 1 25 2 10. 2 -4-3 5 2 03 5
Compute the determinant of following matrix by expansion through second row. 1 1 3 5 8 11 10 1
B: Calculate the determinant of the following matrix by using row reduction to produce an upper triangular form: 2 marks 10 4 21 B=0 -4 3 -5 -1 -12
(5 points) The following augmented matrix is in reduced row echelon form. Decode from the matrix the solution of the corresponding system of linear equations (using the variables X1, X2, and x3) or state that the system is inconsistent. (if a free variable is needed use the parameter t.) 1 0 3121 0 1 53 Lo 0 olo) con (10 points) Use row operations to compute the inverse of the matrix A = [ 53 -2] and use it to...