Describe all unit vectors orthogonal to both of the given vectors. 41 – 8j + 7k, -8i + 16j – 14k . a) Any unit vector in the opposite direction as 4i – 8j + 7k. b) Any unit vector in the same direction as – 8i + 163 – 14k. c) Any unit vector orthogonal to - 8i + 16) – 14k. d) Any unit vector in the same direction as 4i– 8j + Zk. e) Any unit vector.