Verify that {U1 ,u2} is an orthogonal set, and then find the orthogonal projection of y onto Span{u1 ,u2}. 4 4 3 y= 5 u1= 3 u2= 4 3 o o To verify that {u1,u2} is an orthogonal set, nd u1 - u2. u1 - u2 = (Simplify your answer.)