Question

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

Answer 1

`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`