What is the cross product of [4, -4, 4] and [5, 2, -2] ?

1 Answer
Feb 8, 2016

P X Q=28j-12k

Explanation:

P(a,b,c); Q(d,e,f)
P X Q=i(b*f-c*e)-j(a*f-c*d)+k(a*e-b*d)
(4,-4,4) X (5,2,-2)=i(8-8)-j(-28)+k(-12)
P X Q=28j-12k