\"\"

\

The points are  \"\" and \"\".

\

Let \"\", \"\" and \"\".

\

Collinear points :

\

Three points are collinear points if and only if  \"\".

\

Find \"\".

\

\"\"

\

Find \"\".

\

\"\"

\

Find \"\".

\

\"\"

\

Consider \"\".

\

Substitute corresponding values in the above equation.

\

\"\"

\

Thus, the points \"\" and \"\" are non-collinear points.

\

\"\"

\

The points \"\" and \"\" are non-collinear points.