Use elementary matrices to write ? in row reduced echelon form. Use the elementary matrices to find the inverse of A=begin{bmatrix}1 & 0&-2 0& 2&10&0&1 end{bmatrix}

ringearV 2021-02-08 Answered
Use elementary matrices to write ? in row reduced echelon form. Use the elementary matrices to find the inverse of
A=[102021001]
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Expert Answer

krolaniaN
Answered 2021-02-09 Author has 86 answers
Step 1
Let A=[102021001]
Row reduced echelon form
R1R1+2R3
[100021001]
R2R2R3
[100020001]
Gauss Jordon elimination :to find the matrix
[A/I]=[102|100021|010001|001]
R2R22[102|1000112|0120001|001]
R1R1+2R3
[100|102010|0120001|001]
R2R2R32
[100|102010|01212001|001]
A1=[10201212001]
Varification AA1=[102021001][10201212001]=[100010001]
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Jeffrey Jordon
Answered 2022-01-29 Author has 2047 answers

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