Question: Use the notation for matrices in echelon form. Suppose each matrix represents the augmented matrix for a system of linear equations. In each case, determine

Use the notation for matrices in echelon form. Suppose each matrix represents the augmented matrix for a system of linear equations. In each case, determine if the system is consistent. If the system is consistent, determine if the solution is unique.

(a)

0 0 0 * 0

(b)

0 0 0 * 0

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