Question

Calc 3: Let u= <2,1>, v=<3,-1> and w=<2,4>. Find a and b if au - bv = 2w. If someone could explain to me how to do this, that would be great b/c I've been stumped on this one.

Answer 1

Are these vectoral components?

Answer 2

yes

Answer 3

So that would mean then that <2,1> = <x,y> ?

Answer 4

I believe the numbers in < > are the vector components and the variables are the vectors

Answer 5

So then you'll probably set it up like this: