The distance between the points P(1, –3, 4) and Q (– 4, 1, 2) is:
√5 units
5 units
2√13 units
3√5units
The distance between the parallel lines 4x-3y+5=0 and 4x-3y+15 =0 is:
The perpendicular distance of the point P(3, 4) from the y-axis is?