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

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Answer 1 · 2016-03-11T11:20:41

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

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

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