Question

What is the cross product of `(-300i + 200j - 150k)` and `(i + j -7k)`?

Answer 1

`=-1250hati-2250hatj-500hatk`

Explanation:

`(-300hati+200hatj-150hatk)xx(hati+hatj-7hatk)`
`=(200*(-7)-1*(-150))hati+((-150)*1-(-7)*(-300))hatj+((-300*1)-(1*200))hatk)`
`=-1250hati-2250hatj-500hatk`