Let u = (5, 1, 1, -3) and v = (8, 4, 4, 16). Fill in the blanks to answer the following. For parts a, b and d, enter a numerical value; for part c, answer Yes or No aju*v= 0 b) u = 6 c) Are these vectors orthogonal? yes d) Find the distance between the vectors: d(u, v) = sqrt(388)