October 30th, 2017, 01:09 PM  #1 
Newbie Joined: Oct 2017 From: israel Posts: 2 Thanks: 0  matrix
hey i didnt understand how to solve it 
October 30th, 2017, 07:31 PM  #2 
Senior Member Joined: Sep 2016 From: USA Posts: 475 Thanks: 262 Math Focus: Dynamical systems, analytic function theory, numerics 
What have you done so far?

October 31st, 2017, 07:59 AM  #3 
Math Team Joined: Jan 2015 From: Alabama Posts: 3,261 Thanks: 894 
Do you know what a "matrix" is? Do you know what an "augmented matrix" is? Nothing you said here indicates that you do! How is an "augmented matrix" associated with an equation? Also do you see that (b) and (d) are essentially the same question? 

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