Question: whether or not the given linear system has a unique solution. x-4y=5 -4x+16y=-20 ------------------------ 3x-y-2z=0 -2x+y-z=-1 11x-4y-5z=1 ---------------------

whether or not the given linear system has a unique solution.

x-4y=5

-4x+16y=-20

------------------------

3x-y-2z=0

-2x+y-z=-1

11x-4y-5z=1

---------------------

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