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                                    g-Find the component of A = 2i+3j-k along the direction of vector B = i+3 | 
                            
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Answer»  the component of a in the direction of B is given by = A.B/|B|. so A.B = 2*1+3*3 = 11and |B| = √1+3² = √10 so the value is = 11/√10  | 
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