2. Find a unit vector perpendicular to each of the vector a + b and a – b, where a = 3i + 2j + 2k and b = i + 2j – 2k. 2. Find a unit vector perpendicular to each of the vector a + b and a - b where a = 3i + 2j + 2k and b = i + 2j - 2k. November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class 12 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related