Find the inverse of each of the following matrices. begin{bmatrix}3 & 0 9 & 3 end{bmatrix}

Khaleesi Herbert 2020-12-21 Answered
Find the inverse of each of the following matrices.
[3093]
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Expert Answer

StrycharzT
Answered 2020-12-22 Author has 102 answers
Given,
A=(3093)
Now determinant of A is,
det(A)=3(3)9(0)
=90
=90
A1exists
Step 2
Now adjoint of A is,
adjA=(3093)[Interchanging diagonal elements &changing the sign of non diagonal elements ]
A1=1det(A)adjA
=19(3093)
=(130113)
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Jeffrey Jordon
Answered 2022-01-27 Author has 2064 answers

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