Question: 3 /3 - 69% + Page 3 [6 marks] 3. By reducing a suitable augmented matrix to echelon form, decide whether the system of equations

3 /3 - 69% + Page 3 [6 marks] 3. By reducing a suitable augmented matrix to echelon form, decide whether the system of equations below has a unique solution, no solu- tion or an infinite number of solutions. 3x + y - 22 = 1 cty - z =2 6x + 2y - 4z = 3 [6 marks]

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