Question

Any two vectors that are not parallel dene a plane. So p = i+j - k and q = 2i+j
dene a plane. For what values of x is the vector r = xi + j + k in this plane?

Answer 1

dene is define

Answer 2

I would say for all values of x other than \(x=0\) and \(x=-1/2\).

Answer 3

how did you get that so fast?

Answer 4

To be honest, I am not so sure that what I did was right. :D

Answer 5

oh damn:P