Applications of Determinants, Condition for Collinear Points,
Applications of Determinants, Condition for Collinear Points,
Applications of Determinants, Condition for Collinear Points,
Consider three-point with vertices
and .
if the determinant is zero when the points are collinear!
Example 1:
To check if the points
are collinear.
Solution:
Calculate the determinant:
collinear.
Example 2)
For what real values of the parameter
points, , and
are collinear?
Solution:
Points
are collinear