Exercise7.1 1. Find the distance between the following pairs of points: (i) (2, 3), (4, 1) (ii) (-5, 7), (-1, 3) (iii) (a, b), (- a, - b) Answer: Distance formula to find the distance between two points (x 1 , y 1 ) and (x 2 , y 2 ) is, say d, (i) D= √(4-2)2+(1-3)2 =√8= 2√2 (ii) ...
