Answer
See below
Work Step by Step
Consider set $\{v_1,v_2\}$ where $v_1,v_2$ are nonzero and noncollinear vectors in $R^3$
Then we have $span\{v_1,v_2\}=\{av_1+bv_2 \forall a,b \in R\}$
Geometrically span $\{v_1,v_2\}$ is a plane through the origin determined by the given vectors $v_1$ and $v_2$
