The vector that must be added to the vector i-3j-2k and 3i-6j+7k so that the resultant vector is a unit vector along y axis ! How to solve such problems?
Shakti used addition to solve a word problem about the weekly cost of commuting by toll for Rs.15 each day. Raksh solved the same problem by multiplying. They both got the correct answer. How it is possible? [3 MARKS]
