Yahoo Answers: Answers and Comments for How do I invert a matrix? [Mathematics]
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From David
enUS
Sun, 19 May 2019 05:07:04 +0000
3
Yahoo Answers: Answers and Comments for How do I invert a matrix? [Mathematics]
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https://answers.yahoo.com/question/index?qid=20190519050704AA4ZWVg
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From David: To find the inverse of a matrix, swap the posi...
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Sun, 19 May 2019 05:18:20 +0000
To find the inverse of a matrix, swap the positions of a and d, put negatives in front of b and c, and divide everything by the determinant (adbc).

From Anonymous: Write its mirror image.
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Sun, 19 May 2019 07:56:20 +0000
Write its mirror image.