SOLUTION: Please!!!!!!!!!! Help me with this problem. Show all work and steps. Thanks 1. Find the reduced row echelon form of this augmented matrix [ 1 0 0 300 -3 1 3 400 -

Question 1003856: Please!!!!!!!!!! Help me with this problem. Show all work and steps. Thanks

1. Find the reduced row echelon form of this augmented matrix
[ 1 0 0 300
-3 1 3 400
-1 0 1 250]
3. Find the reduced row echelon form of this augmented matrix
[1 -4 2 200
-2 9 -4 400
1 -4 3 100]

Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
Row Operation

1: add 3 times the 1st row to the 2nd row and you will have

2: add 1 times the 1st row to the 3rd row and you will have

3: add -3 times the 3rd row to the 2nd row and you will have

and, next one:

add 2 times the 1st row to the 2nd row and you will get

add -1 times the 1st row to the 3rd row and you will get

add -2 times the 3rd row to the 1st row and you will get

add 4 times the 2nd row to the 1st row and you will get

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