Comparing Vectors In Exercises 21, 22, 23, 24, 25, and 26, determine whether u and v are orthogonal parallel, or neither. 21. u = (4,3) v= V Answer-> 22. u = -(i - 2j) v = 2i - 4j 23. u=j+6k v=i-2j-k Answer 24. u=-2i+3j - k v = 2i+j-k 25. u = (2, -3, 1) v = (-1, 1, 1)