What is the cross product of $[-1, -1, 2]$ and $[1, -4, 0]$ ?

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Answer 1 · 2016-03-07T18:04:17

$vec a x vec b=8i+2j+5k$

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$vec a=[-1,-1,2]" "vec b=[1,-4,0]$
$vec a x vec b=i(-1*0+4*2)-j(-1*0-2*1)+k(1*4+1*1)$
$vec a x vec b=8i+2j+5k$

What is the cross product of [-1, -1, 2][-1, -1, 2] and [1, -4, 0] [1, -4, 0] ?