The discussion revolves around determining the value of a parameter that makes three vectors coplanar. The vectors in question are defined with specific components, and the original poster expresses uncertainty about how to approach the problem.
The discussion is in an early stage, with participants seeking to clarify definitions and explore potential methods for addressing the problem. There is a lack of explicit consensus, and some participants have noted the original poster's lack of initial effort.
Participants have pointed out the potential confusion arising from the naming conventions used in the problem statement. There is also an indication that the original poster has not attempted any solutions, which may affect the direction of the discussion.
BlueRope said:Homework Statement
vector a = (0,1,0)
vector b = (-2,1,1)
vector c = (1, a-2, a+2)
for what value of a are the three vectors coplanar?
Homework Equations
don't know how to do this
The Attempt at a Solution
didn't try anything