In Exercises 15–22, evaluate the determinant, given that
Want to see the full answer?
Check out a sample textbook solutionChapter 2 Solutions
Elementary Linear Algebra: Applications Version
Additional Math Textbook Solutions
Algebra And Trigonometry (11th Edition)
Elementary Algebra
College Algebra (5th Edition)
Intermediate Algebra
College Algebra with Modeling & Visualization (5th Edition)
Algebra and Trigonometry
- Find the inverses of the matrices in Exercises 1–4.arrow_forwardIn Exercises 5–8, use the definition of Ax to write the matrix equation as a vector equation, or vice versa. 5. 5 1 8 4 -2 -7 3 −5 5 -1 3 -2 = -8 - [18] 16arrow_forwardCompute the determinants in Exercises 7–15 using cofactorexpansion along any row or column that seems convenient. Please show all work.arrow_forward
- Evaluate each determinant in Exercises 23-28. 3 0 23. 2 1 2 5 |4 24. 3 2 -3 0 0 -5 -1 4 -1 5 -4 2 0 5 0 4 3 25. -3 26. -1 -1 -5 3 1 1 1 1 2 3 27. 2 2 28. 2 2 -3 -3 4 -5 3 2 1 2. 14arrow_forwardEvaluate each determinant in Exercises 27–32. 27. 13 0 28. 4 3 2 2 1 1 -5 -1 4 2 -1 -3 5 29. 3 1 30. 2 -4 2 -3 4 -1 3. -5 4 1 1 2 3| 31. 2 2 32. -3 -3 4 -5 N 22N 3. लarrow_forwardCompute the determinants in Exercises 1–8 using a cofactor expansion across the first row.arrow_forward
- 12.) Find the determinant of A = -2 3 1 -1 2 0 2 1 0 -2 1 * * 3 -3 4 Show your work.arrow_forwardIn Exercises 11–16, compute the adjugate of the given matrix, and then use Theorem 8 to give the inverse of the matrix.arrow_forwardIn Exercises 13–18, perform each matrix row operation and write the new matrix. -6 4| 10 13. 1 5 -5 3 4 7 -12 6 9 40 3. 14. 1 -4 7|4 2 0 -1 |7 1 3 -3 15. 1 -3R, + R, -2 -1 -9- -9- 16. 3 3 -1 10 -3R + R2 1 3 5 1 -1 1 1 3. 1 -2 -1 17. 2 4| 11 -2R, + R3 5 1 6. -5R, + R4 1 -5 2 -2 4 -3 -1 18. 3 2 -1 -3R + R3 -4 4 2-3 4R, + R4 -len すす 2. 1. 2. 1. 3.arrow_forward
- College Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage LearningAlgebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:CengageLinear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage Learning
- Algebra for College StudentsAlgebraISBN:9781285195780Author:Jerome E. Kaufmann, Karen L. SchwittersPublisher:Cengage Learning