If S={v1,v2,v3}S = \{\mathbf{v}_1, \mathbf{v}_2, \mathbf{v}_3\}S={v1,v2,v3} is a linearly dependent set in R3\mathbb{R}^3R3, which of the following must be true?
One vector equals another
At least one vector is the zero vector
At least one vector is a linear combination of the others
All three vectors are scalar multiples of each other