Question
Asked Sep 18, 2019
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Find the matrix X if

2 1
-1 3
X=
2 4
1 3
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Expert Answer

Step 1

The given matrix is in the form AX = B, where

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2 1 2 4 and B A 1 3 -1 3

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Step 2

The matrix X  is computed as follows.

First determine the matrix A­­­-1 and then multiply it with B.

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1 -ad det(A) d4)

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Step 3

Determinant of the matrix A and adjoint of th...

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det(A)(2.3)-(--1) det(A) 7 Г3 -17 adj(A) 2 13 Thus, A 1 2

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Math

Algebra