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OpenStudy (anonymous):
convert the following matrix to REF form
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OpenStudy (anonymous):
|dw:1452655002935:dw|
OpenStudy (anonymous):
this is what i did |dw:1452655094669:dw|
OpenStudy (anonymous):
but thats not the answer in the book
OpenStudy (tkhunny):
Perhaps you could start with R1' = R1 - R2?
OpenStudy (anonymous):
Why would the first row have to be changed?
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