SOLUTION: Consider the following system of linear equations: x + 2y + 3z = 3 3x − 5y + 6z = −1 2x + 4y + 5z = 5 (i) Write the augmented matrix for the system above. (ii) Fi

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Question 1121329: Consider the following system of linear equations:
x + 2y + 3z = 3
3x − 5y + 6z = −1
2x + 4y + 5z = 5
(i) Write the augmented matrix for the system above.
(ii) Find the inverse of the above system of linear equations.
(iii) Solve the system using the inverse matrix found in part (ii).

Found 2 solutions by solver91311, ikleyn:
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


Don't post your questions twice. Because if you do and I catch it, you are going to get this answer twice.


John

My calculator said it, I believe it, that settles it


Answer by ikleyn(52786)   (Show Source): You can put this solution on YOUR website!
.
For nice explanation on how to do it using TI-83 or TI-84 calculator see this article

https://www.missouriwestern.edu/cas/wp-content/uploads/sites/217/2013/12/Matrices-on-TI-2013-updated-fall.pdf

https://www.missouriwestern.edu/cas/wp-content/uploads/sites/217/2013/12/Matrices-on-TI-2013-updated-fall.pdf


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