Area of the triangle formed by $\left(x_1,y_1\right),\left(x_2,y_2\right),\left(3x_2-2x_1,3y_2-2y_1\right)\text{ is }$

  Slope of AB=Slope of BC

 Given points  are collinear

 collinear points donot form a ${\mathrm{\Delta }}^{le}$

$\therefore$  area is 0.