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Please give examples of matrices which (1) is an augmented matrix of a linear system which...

Please give examples of matrices which

(1) is an augmented matrix of a linear system which 3 equations and 3 variables.

(2) is an augmented matrix of a linear system which 3 equations and 3 variables and all variables should be presented.

(3) is an augmented matrix of a linear system which 3 equations and 3 variables and one of the variables is not presented.

(4) is an augmented matrix of a linear system which is inconsistent. (5) is an augmented matrix of a linear system which has exact one solution.

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