October 27th, 2018, 06:45 PM  #1 
Senior Member Joined: Apr 2017 From: New York Posts: 116 Thanks: 6  Special solution
Hi to all, My question is: find the reduced row form of R and the rank of A. What are the pivot columns of A? What are the special solutions? Your answer should depend on c. I have attached the matrix A. My work. Could someone confirm or correct please. I appreciate. 
October 27th, 2018, 07:20 PM  #2 
Senior Member Joined: Feb 2016 From: Australia Posts: 1,734 Thanks: 605 Math Focus: Yet to find out. 
The second image is a bit difficult to see. Maybe upload them as two separate, larger images?

October 28th, 2018, 08:23 AM  #3 
Senior Member Joined: Apr 2017 From: New York Posts: 116 Thanks: 6 
Oh ok. Sorry just realized after your warning.

October 28th, 2018, 08:27 AM  #4 
Senior Member Joined: Apr 2017 From: New York Posts: 116 Thanks: 6 
Here is two separate large photos.


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