Q. 1 D4.3( 15 Votes )
Find the distance between the following pairs of points:
(2, –1, 3) and (–2, 1, 3).
Answer :
Let P be (2, – 1, 3) and Q be (– 2, 1, 3)
Distance PQ
Here,
x1 = 2, y1 = – 1, z1 = 3
x2 = – 2, y2 = 1, z2 = 3
Distance PQ
Thus, the required distance is units.
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