What is the cross product of #<4 , 5 ,-9 ># and #<4, 1 ,-2 >#?

1 Answer
Feb 5, 2016

Answer:

The cross product of two vectors, #(a, b, c)# and #(d, e, f)#, is given by: #(bf-ce, cd-af, ae-bd)#. In this case the solution is #<-1,-28,-16>#.

Explanation:

#<4,5,-9> xx <4,1,-2>#

= #<( 5.(-2)-(-9).1, (-9).4-4.(-2), 4.1-5.4 >#

= #<-1,-28,-16>#