# Vectors

#### Prove It

##### Well-known member
MHB Math Helper
It might be worth evaluating each line in their vector forms, and then seeing if you can find where they intersect.

#### DaalChawal

##### Member

I am unable to follow after this

#### mrtwhs

##### Active member
Although $\dfrac{x}{1} = \dfrac{y}{2} = \dfrac{z}{3}$ is a line, $3\beta^2x+3(1-2\alpha)y+z=3$ is not. It is a plane.