Question: I don't understand what I am doing wrong here :/ a3 is correct but a4 is not. (incorrect) 6. (1 point) Let A be a

I don't understand what I am doing wrong here :/ a3 is correct but a4 is not.

(incorrect) 6. (1 point) Let A be a 3 x 4 matrix with reduced row echelon form given by 0 5 U = 0 1 . If a1 = 0 C 0 2 , and az- -2 find a3 and a4. 15 16 - 10 1=19 a3 5 2 Answer(s) submitted: ay 2 4 . Qy = U, tuz (incorrect )

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