b) Is matrix B an inverse of matrix A? Show the work to justify your answer. CHINT: Multiply AB and see if it gives an I matrix. If it is then, B is inverse of A else it is NOT.) В %3 -3 7 -3 3 3 A = 1 0 -1 1 4 3 2 1 3 -1 0 1 c) Solve x based on the value of Determinant: 6х 2 0 = -4 2 1 3 Answer: -2/9, 1 1 X X

b) Is matrix B an inverse of matrix A? Show the work to justify your answer. CHINT: Multiply AB and see if it gives an I matrix. If it is then, B is inverse of A else it is NOT.) В %3 -3 7 -3 3 3 A = 1 0 -1 1 4 3 2 1 3 -1 0 1 c) Solve x based on the value of Determinant: 6х 2 0 = -4 2 1 3 Answer: -2/9, 1 1 X X

Intermediate Algebra

19th Edition

ISBN:9780998625720

Author:Lynn Marecek

Publisher:Lynn Marecek

Chapter4: Systems Of Linear Equations

Section4.6: Solve Systems Of Equations Using Determinants

Problem 276E: Explain the difference between a square matrix and its determinant. Give an example of each.

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