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In Exercises 21–38, solve each system of equations using matrices. Use Gaussian elimination with back-substitution or Gauss-Jordan elimination.
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- Which of the entries in the matrix 2 1-7 A B 4 -3 Ⓒ ₁ - 6 ܣ -6 -3 4 | has -37 as its cofactor? 9 5arrow_forward2. Write x = -t³x2, x, = 4t³x2 in matrix notation. Solve and write the solution in matrix notation.arrow_forwardConsider the system of equations 2a + 36 – c = 5 -a + b+c= 4 5a – 26 + 3c = 10 - (a) Solve it in numbered steps by Gauss-Jordan elimination. (b) Write out the problem in matrix notation Ax = b. Now write out the S, R, or P matrix corresponding to each of your step in (a).arrow_forward
- please nassearrow_forward4. Solve by Matrix Inversion. * For this number, solve using X = (A-1)B 2w – 2x + 3y + 4z = 33 3w – 5x – 7y + 3z = 11 4w + 3x – 4y – 5z = 3 5w + 4x + 6y – 2z = 45 1 Add filearrow_forwardUse an inverse matrix to solve each system of linear quations or matrix equation.arrow_forward
- Elementary Linear Algebra (MindTap Course List)AlgebraISBN:9781305658004Author:Ron LarsonPublisher:Cengage LearningAlgebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage