The points (a, b), (0, 0), ($$-$$a, $$-$$b) and (ab, b²) are

The angle between the lines x + y $$-$$ 3 = 0 and x $$-$$ y + 3 = 0 is $$\alpha$$ and the acute angle between the lines x $$-$$ $$\sqrt 3 $$y + 2$$\sqrt 3 $$ = 0 and $$\sqrt 3 $$x $$-$$ y + 1 = 0 is $$\beta$$. Which one of the following is correct?

The distance of the point (1, 3) from the line 2x + 3y = 6, measured parallel to the line 4x + y = 4 is

The equation of straight line which cuts off an intercept of 5 units on negative direction of Y-axis and makes and angle 120$$^\circ$$ with positive direction of X-axis is