Respuesta :

olution

or this case we have the following vectors:

u= -3i +2j, w= 4j, v= 6i -4j

And we can do the following:

art a

u*v= -3*6 + 2*-4= -18 -8= -26

Part b

w*v= 0*6 + 4*-4 =-16