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,

x_{1} = 2, y_{1} = – 1, z_{1} = 3

x_{2} = – 2, y_{2} = 1, z_{2} = 3

Distance PQ

Thus, the required distance is units.

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