Q49. Given the points P(1, -1, 1), Q(1, 2, 3), and R(-1, 1, 1), find a unit vector perpendicular to the plane containing P, Q, and R.Mathematics — Nust Mock By Dogers 1 — Question 49 of 200A. (-2/√17)i - (2/√17)j + (3/√17)kB. (2/√17)i + (2/√17)j - (3/√17)kC. (2/√17)i - (2/√17)j - (3/√17)kD. (2/√17)i + (2/√17)j + (3/√17)kPractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →