What is the cross product of $<0 ,4 ,1 >$ and $<-5 ,2 ,8 >$ ?

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Answer 1 · 2018-03-20T15:50:39

$<30,5,20>$

$(a1,a2,a3) x (b1,b2,b3)$

$a= <0,4,1>$
$b=<-5,2,8>$

$=<(a2b3-a3b2), (a1b3-a3b1), (a1b2-a2b1)>$

What is the cross product of <0 ,4 ,1 ><0 ,4 ,1 > and <-5 ,2 ,8 ><-5 ,2 ,8 >?