Find the cross products uv and vu for the vectors u= <3,4,-8> and v=<-1,-1,1>.
a) uv = <-20,-11,-7>, vu = <-20,-11,-7>
b) uv = <-7,-11,-20>, vu = <-7,-11,-20>
c) uv = <20,11,7>, vu = <20,11,7>
d) uv = <7,11,20>, vu = <7,11,20>