The determinant of the matrix[-7-97А —-8-79is, and its inverse isbu b12b13A-1 =b21 ba2 b23b31 b32 b33whereb11 =b12 =b13 =b21 =b22 =b23 =b31 =b32 =b33 =

We will find value of the inverse of matrix A and it's determinant in the following steps.

Answered: The determinant of the matrix --7 -9 A…

The determinant of the matrix --7 -9 A = -8 -7 is and its inverse is [b1 b12 b13 A-1 b23 b21 b22 b33 b31 b32 where b11 = b12 = b13 = b21 b22 = b23 = b31 b32 = b33 =

Elementary Linear Algebra (MindTap Course List)

8th Edition

ISBN:9781305658004

Author:Ron Larson

Publisher:Ron Larson

Chapter3: Determinants

Section3.CM: Cumulative Review

Problem 18CM: Find the determinant of the matrix. [4032013501511103]

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Question

The determinant of the matrix
[-7
-97
А —
-8
-7
9
is
, and its inverse is
bu b12
b13
A-1 =
b21 ba2 b23
b31 b32 b33
where
b11 =
b12 =
b13 =
b21 =
b22 =
b23 =
b31 =
b32 =
b33 =

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