Question: 2. (20 points) Given the matrices A and the reduced echelon form of A below, find: (a) a basis for Row(A). What is the dimension

2. (20 points) Given the matrices A and the reduced echelon form of A below, find: (a) a basis for Row(A). What is the dimension of Row(A)? (b) a basis for Col(A). What is the dimension of Col(A)? (c) a basis for Nul(A). What is the dimension of Nul(A)? (d) a basis for Nul(A"). What is the dimension of Nul(AT)? O 1 2 3 4 1 0 -5/317 1 012 -1 0 1 1 0 8/3 A = rref (A) = 2 4 4 0 0 C 1 1/3 O O O 1 2 0 0

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