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OpenStudy (anonymous):
Which elementary row operation will reduce the x–element in row 2 to 0 in this matrix?
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OpenStudy (anonymous):
OpenStudy (anonymous):
Will metal
OpenStudy (anonymous):
@Abhisar @wio
OpenStudy (anonymous):
@Directrix
OpenStudy (anonymous):
Suppose we add -2 to 2, which gives 0. How can we go about that? Hint: There are at least two ways.
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TheSmartOne (thesmartone):
Also note that row 3 has a 2...
OpenStudy (anonymous):
-2R1 + R2?
OpenStudy (anonymous):
is that the answer?
TheSmartOne (thesmartone):
Why would you multiply row 2 by -2?
OpenStudy (anonymous):
I have no idea.. I don't know how to do matrices
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TheSmartOne (thesmartone):
Did you ever think of just subtracting row 2 from row 3?
TheSmartOne (thesmartone):
@Rnford
OpenStudy (anonymous):
no
TheSmartOne (thesmartone):
Also there are many answers but what you said the first time is correct! I thought it said -2R2 bu it said -2R1 lol so -2R1 + R2 is also correct :)
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