6. Find the sum of the vectors a = i – 2j + k, b = -2i + 4j + 5k, and c = i – 6j – 7k. . 6. Find the sum of the vectors a = i - 2j + k and c = i - 6j – 7k. . b = -2i + 4j + 5k November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class 12 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related