Science:Math Exam Resources/Courses/MATH221/April 2009/Question 09 (b)
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Question 09 (b) 

Consider the matrix
b) Find a basis for 
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Hint 

Science:Math Exam Resources/Courses/MATH221/April 2009/Question 09 (b)/Hint 1 
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Solution 

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Please rate my easiness! It's quick and helps everyone guide their studies. We first look back at our rref(A), from this we can see that the pivot columns are the 2nd and 3rd columns of the matrix, corresponding to the columns in the original matrix A, we get and these are the basis for 