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What is the cross product of #<-3,0, 2># and #<-1, -2, 9 >#?

1 Answer

Feb 15, 2016

#vec A X vec B=[4,+25,6]#

Explanation:

#vec A=[a,b,c]#
#vec B=[d,e,f]#
#vec A X vec B=(b f-c e),(c*d-a*f),(a e-b d)#
#vec A X vec B=(0+4),(-2+27),(6-0)#
#vec A X vec B=[4,+25,6]#

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