2010005008

Determine whether the following planes $\alpha$ and $\beta$ are parallel, identical or intersecting. $$\begin{array}{rlr}\alpha :& x=1-m+2n,& \\ & y=2m-n,\\ & z=2-m+n;m,n\in \mathbb{R},\end{array}\beta :x-y-3z+5=0$$