Question: -> Let S = { a 1, a 2, a 3, a 4} and A = ( a 1, a 2, a 3, a

-> Let S = { a 1, a 2, a 3, a

-> Let S = { a 1, a 2, a 3, a 4} and A = ( a 1, a 2, a 3, a 4), where 7. ) 7: (E) = () - () 0 1 3 1 a 1= a 2- 1 a 3= 4 a 4= 2 3 4 1. Determine whether AX = 6 is consistent, where X =(x1, x2, x3, T4)" 2. Determine whether the vector b is a linear combination of S. 3. Determine whether the vector b e span S.

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