Let u = 2j - 3k, v = 3i - 2j + 2k, w = - 9i + 6j - 6k. Which vectors, if any are (a) perpendicular? (b) Parallel?
(a) Which vectors are perpendicular? Select the correct choice below and fill in the answer box(es) within your choice.
A. The vectors are perpendicular. (Use a comma to separate answers as needed.)
B. Vector is perpendicular to vectors . (Use a comma to separate answers as needed.)
C. None of the vectors are perpendicular.
(b) Which vectors are parallel?
A. The parallel vectors are . (Use a comma to separate answers as needed.)
B. is one pair of parallel vectors. Another pair of parallel vectors is . (Use a comma to separate answers as needed.)
C. None of the vectors are parallel.