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Question 43319: Please help with this one...
perform the indicated row operation on the matrix
[-1 3 | 2]
[2 0 | 4]
operation: 2Rsubscript1, +Rsubscript2, ->Rsubscript2
Answer by venugopalramana(3286)   (Show Source):
You can put this solution on YOUR website! operation: 2Rsubscript1, +Rsubscript2, ->Rsubscript2....MEANS
NEW ROW 2=..OR IS OBTAINED BY ADDING 2*EXISTING ROW 1 TO EXISTING ROW 2
SEE BELOW A BROKEN STEP WISE PROCEDURE,THOUGH,IT SHOULD BE DONE IN ONE STEP.
Please help with this one...
perform the indicated row operation on the matrix
.......C1.C2..C3
R1....[-1 3 | 2]
R2....[2 0 | 4]
operation: 2Rsubscript1,...MEANS MULTIPLY EXISTING ROW 1 WITH 2
2*R1...-2..6...4
+Rsubscript2,->Rsubscript2.....MEANS ADD EXISTING ROW 2 TO THE ABOVE TO GET NEW ROW 2...THE OTHER ROW NAMELY ORIGINAL ROW 1 REMAINS AS ORIGINAL
NR2...2*R1+R2=....-2+2=0.....6+0=6........4+4=8
HENCE ANSWER IS
R1....-1..3...2
NR2....0..6...8
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