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What is the cross product of #[9,4,-1]# and #[4,3,6] #?

1 Answer

ali ergin · P dilip_k

Mar 11, 2016

#A X B=27hati-58hatj+11hatj#

Explanation:

enter image source here
#A= <9,4,-1>" "B= <4,3,6>#
#A X B=hati(4*6+3*1)-hatj(9*6+4*1)+hatk(9*3-4*4)#
#A X B=27hati-58hatj+11hatk#

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