If the points (2, 1) and (1,-2) are equidistant from the point (x, y), show that x + 3y = 0.
Distance from point (2, 1) = Distance from point (1, -2)
Square roots are cancelled, therefore
3
If the points (2, 1) and (1,-2) are equidistant from the point (x, y), show that x + 3y = 0.
Distance from point (2, 1) = Distance from point (1, -2)
Square roots are cancelled, therefore