NCERT Exercise 10.4 Q2 - Vector Algebra

Question: Find a unit vector perpendicular to each of a+b and a-b, where a = 3i-hat+2j-hat+2k-hat and b = i-hat+2j-hat-2k-hat.

Answer: ± ((2/3)i-hat - (2/3)j-hat - (1/3)k-hat).

Full step-by-step NCERT solution with diagrams on Something by Zero.