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anonymous

  • 4 years ago

3x3 matrix, I know the answer but I am uncertain on how they got the answer. The matrix is [3 4 -1; 1 0 3; 2 5 -4]

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  1. anonymous
    • 4 years ago
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    Im looking for the inverse

  2. anonymous
    • 4 years ago
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    |dw:1328667250404:dw| Use GaussJord elimination to get the left side in echelon form. Every operation you do, do to the right side also. Once the left side is in echelon form, whatever you have on the right side is your inverse.

  3. anonymous
    • 4 years ago
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    I started with that. Somewhere along the line, I did something wrong.

  4. anonymous
    • 4 years ago
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    Here is a detailed explanation with the answer. There are two screen captures, make sure you look at both!1

  5. anonymous
    • 4 years ago
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    Linear Algebra can be tedious like that. Sadly, if you get the wrong outcome, just start over and try again.

  6. anonymous
    • 4 years ago
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    I have restarted this problem so many times .

  7. anonymous
    • 4 years ago
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    Look at the pictures I attached! Believe me, they tell you all the steps. I screen captured ALL the work.

  8. anonymous
    • 4 years ago
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    thank you.

  9. anonymous
    • 4 years ago
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    welcome:D

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spraguer (Moderator)
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