Q27. Given the vectors a = i - 2j + 3k and b = 3i + j + 2k, which of the following is a unit vector perpendicular to both a and b?Mathematics — FAST Mock 6 — Question 27 of 120A. (i + j + k)/√3B. (i - j + k)/√3C. (-i + j + k)/√3D. (i - j - k)/√3Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →