दो एकांक सदिश (unit vectors) एक कोण पर इस प्रकार झुके हुए हैं कि उनका परिणामी (resultant) भी एक एकांक सदिश है। दोनों सदिशों के बीच का कोण कितना है?

The scalar (dot) product of two vectors A and B is given by which of the following expressions?

A vector quantity is fundamentally defined by which of the following characteristics?

If vector OA and vector OB represent two position vectors, which of the following expressions correctly represents the vector subtraction of OB from OA to find vector OC?