Suppose that S={(-1,1,0), (2,2,0), (0,0,3)} is orthogonal basis for a subspace W of R.Find the orthogonal projection of u in W where linear combination of

Suppose that S={(-1,1,0), (2,2,0), (0,0,3)} is orthogonal basis for a subspace W of R³.Find the orthogonal projection of u in W where linear combination of the basis vector isu =(2,1,3).