muskan Posted May 7, 2017 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.
Sriman Dutta Posted May 7, 2017 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.
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