Chapter 0 Preface 3. 2)Cross product: AxB= ABsin(e)n The length of A X B can be interpreted as the area of the parallelogram having A and B as sides n is a unit vector perpendicular to both a and B A,B, and n also becomes a right handed system. AxBb≤兀 AB,A×B=0 B A⊥B,|AxB=AB 0 Scalar triple product A(B×C) B×A=-4×BChapter 1Chapter 1 Measurment Chapter 0 Preface 3.2) Cross product: A B ABsin n     = () is a unit vector perpendicular to both and . , , and also becomes n a right handed system.  n  The length of × can be interpreted as the area of the parallelogram having A and B as sides. A  B  A  B  A  B   A  B  A B    n  B A -A B      =  θ   If A B,| A B| AB If A//B, A B 0 ⊥  =  =         Scalar triple product: A(BC) = ?   