Question -
Answer -
The distance between points P(x
1, y
1, z
1) and P(x
2, y
2, z
2) is given by

(i) Distance between points (2, 3, 5) and (4, 3, 1)
(ii) Distance between points (–3, 7, 2) and (2, 4, –1)
(iii) Distance between points (–1, 3, –4) and (1, –3, 4)
(iv) Distance between points (2, –1, 3) and (–2, 1, 3)