muskan Posted May 7, 2017 Share Posted May 7, 2017 I know only a little about components of vectors. I have tried to solve it. But I have failed. Please help me in 16 to 19 questions. Link to comment Share on other sites More sharing options...
Sriman Dutta Posted May 7, 2017 Share Posted May 7, 2017 The dot product of two orthogonal vectors is zero. A.B=|A||B|cos a, here A and B are vectors, and a is the angle between them. These are two hints to solve the problems. Link to comment Share on other sites More sharing options...
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