Q2 of 84 Page 29

Find the distance between the points P and Q having coordinates (-2, 3, 1) and (2, 1, 2).

Given: Points are (-2, 3, 1) and (2, 1, 2)


To find: Distance between given two points


Formula used:


The distance between any two points (a, b, c) and (m, n, o) is given by,



Therefore,


Distance between (-2, 3, 1) and (2, 1, 2) is






Hence, Distance between two given points is √21 units


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P(0, 7, -7), Q(1, 4, -5) and R(-1, 10, -9)