Finding a Determinant In Exercises 21—24, use either elementary row or column operations, or cofactor expansion, to find the determinant by hand. Then use a software program or a graphing utility to verify your answer.
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Elementary Linear Algebra (MindTap Course List)
- Using chios method, find the determinantarrow_forwardUse either elementary row or column operations, or cofactor expansion, to find the determinant by hand. Then use a software program or a graphing utility to verify your answer. 7 1 0 1 1 0 -1 -1 90 1 9 -1 0 5 1 Need Help? Read Itarrow_forwardUse properties of determinants to evaluate the given determinant by inspection. Explain your reasoning.arrow_forward
- Find the determinant of A.arrow_forwardCompute the determinants in Exercises 1–8 using a cofactor expansion across the first row. In Exercises 1–4, also compute the determinant by a cofactor expansion down the second column.arrow_forwardQuestion Evaluate the determinant: 2 14 3 1 5 -1 1 -2 2 -3 - 4 -3 -4 O 326 O 452 O 389 489 1, 3.arrow_forward
- Find the Determinantarrow_forwardIllustrate the multiplying any row (or column) by a scalar do to the determinant?arrow_forwardEvaluate 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_forward
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