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A.(B X A)-->

the angle between vector A and vector B is theta..calculate value of triple product of(all are vectors) ------>A.(B X A)

Asked by Rohan Astik 2nd October 2013, 9:27 PM
Answered by Expert

The dot product (also known as the scalar product) of two vectors is defined to be


A  B = AB cos ?


where ?  is the angle that A and B form when placed tail-to-tail.

Since it is a scalar, the product is commutative


A  B B  A  


Geometrically, A  B ABA where BA is the projection of B on A , as shown in Fig.

It is also equal to BAB , where AB is the projection of A on B .



The combination (A B) C is known as the triple scalar product. A B is a vector.

The dot product of this vector with the vector C gives a scalar.


Answered by Expert 3rd October 2013, 8:57 AM
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