SOLUTION: Will someone help me to show that the 4 points (2,0,1), (-1,2,3), (3,2,2) and (3,-6,-3) lie in a plane. Thanks -Nick.

Algebra ->  Vectors -> SOLUTION: Will someone help me to show that the 4 points (2,0,1), (-1,2,3), (3,2,2) and (3,-6,-3) lie in a plane. Thanks -Nick.      Log On


   



Question 334428: Will someone help me to show that the 4 points (2,0,1), (-1,2,3), (3,2,2) and (3,-6,-3) lie in a plane.
Thanks
-Nick.

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
P1, P2, P3, and P4 are coplanar if and only if the determinant
below equals 0
----------------

x1 y1 z1 1
x2 y2 z2 1
x3 y3 z3 1
x4 y4 z4 1
==========================
Cheers,
Stan H.