A) Vertices of an equilateral triangle |
B) Vertices of a right angled triangle |
C) Vertices of an isosceles triangle |
D) none of these |
D) none of these |
If
\( \begin{vmatrix}
x_{1} & y_{1} & 1 \\
x_{2} & y_{2} & 1 \\
x_{3} & y_{3} & 1
\end{vmatrix} = 0 \), then the points are collinear