find the vectors2, given u=<-1,3,2>, v=<1,-2,-2>, and w=<5,0,-5>
z=-7u+v-1/5w
z = -7(-1,3,2) + (1,-2,-2) + (1/5) (5,0,-5)
= (7,-21,-14) + (1,-2,-2) + (1,0,-1)
= (9,-23,-17)
check my arithmetic
z=-7u+v-1/5w
= (7,-21,-14) + (1,-2,-2) + (1,0,-1)
= (9,-23,-17)
check my arithmetic