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Homework Statement
If the set {v1,v2,v3} of vectors in R^(m) is linearly dependent, then argue that the set {v1,v2,v3,v4} is also linearly dependent for every choice of v4 in R^(m).
Homework Equations
Definitions would be more relevant so...
Linearly Independent: If the only solution is the trivial solution
Linearly Dependent: If there are more solutions than he trivial solution.
The Attempt at a Solution
I started out by writing out three vectors that are a dependent set, and I noticed that no matter what I added for v4 there would still be that non trivial solution, therefore making it remain dependent.
Is that sound reasoning?