> If W is a plane in R3 spanned by the set S, find the projection of V=(-1,1,-2) into plane W?

If W is a plane in R3 spanned by the set S, find the projection of V=(-1,1,-2) into plane W?

Posted at: 2014-06-09 
Let W be the plane through the origin R3 spanned by the set S={(1,1,1),(1,0,-1)}, then find the projection of the vector v=(-1,1,2) into the plane W