i got a set of linear equations with x,y,z,t variables.(adsbygoogle = window.adsbygoogle || []).push({});

x=4,y=-2,z=-2,t=4 is a solution

x=-2 y=4 z=4 t=-2 is a solution

x=2,y=2,z=2,t=2 is not a solution.

prove that this set is not homogeneous ?

prove that x=0,y=2,z=2,t=0 is a solution?

??

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# Homework Help: Linear algebra question

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