EjrALGrecta

(%i3)

P : [ 4 , 1 ] $
Q : [ 7, - 4 ] $
determinant ( matrix ( [ x , y , 1 ] , append ( P , [ 1 ] ) , append ( Q , [ 1 ] ) ) ) = 0 ;

\begin{matrix} (%o3) & 3 y + 5 x - 23 = 0 \end{matrix}

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