SOLUTION: Hello how are you? Will you please help me with this problem? This is the Prolem: Write this matrix in reduced row echelon form. 2 5 3 3 3 2 4 9 5 -3 -2

Question 198252This question is from textbook Schaum's Outlines College Algebra
: Hello how are you?
Will you please help me with this problem?
This is the Prolem:
Write this matrix in reduced row echelon form.
2 5 3 3
3 2 4 9
5 -3 -2 4
I would love to show you my solution but it's too long to type here. I spent 2 hours on this problem and I consumed five pages of papers. I can scan and e-mail you my solution to this problem if you would like.

You can contact me at 909-910-1872 or e-mail me at agan_som143@msn.com
Thank you so much!
Have a nice day!
Charlyn
This question is from textbook Schaum's Outlines College Algebra

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Write this matrix in reduced row echelon form.
2 5 3 3
3 2 4 9
5 -3 -2 4
--------------
Subtract the 1st row from the 2nd and make that the 1st row:
1 -3 1 6
3 2 4 9
5 -3 -2 4
----------
Subtract 3 times the 1st from the 2nd and subtract 5 times the 1st from the 3rd
1 -3 1 6
0 11 1 -9
0 12 -7 -26
------------------------
Subtract the 2nd from the 3rd and make that the 2nd row
1 -3 1 6
0 1 -8 -17
0 11 1 -9
-------------------------
Subtract 11 times the 2nd from the 3rd row
1 -3 1 6
0 1 -8 -17
0 0 89 178
-------------------------
Divide thru the 3rd by 89 to get
1 -3 1 6
0 1 -8 -17
0 0 1 2
--------------------
Cheers,
Stan H.

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