Question

What is the cross product of `[4, 0, 1]` and `[-1, 2, 3]`?

Answer 1

`A X B=-2i-13j+8k`

Explanation:

`A=4i+0j+1k`
`B=-1i+2j+3k`
`A X B=i(A_j B_k-A_k B_j)-j(A_i B_k-A_k B_i)+k(A_i B_j-A_J B_i)`
`A X B=i(0*3-1*2)-j(4*3+1*1)+k(4*2+0*1)`
`A X B=i(-2)-j(13)+k(8)`
`A X B=-2i-13j+8k`