Let u,w,v1,v2 and 3 be the vectors in R4 defined by u=1419130w=1792737v1=1119155v2=1515514v3=1014213 (a) is uspan{v1,v2,v3} ? Write all zeros if it is not in the span or write zero as a non.trival (not all zero coetficients) Hnear combination of u, v1, v2, and v3 if u Is in the span