Q1 of 25 Page 273

Find the distance between the following pairs of points:

(–3, 7, 2) and (2, 4, –1)

Let P be (– 3, 7, 2) and Q be (2, 4, – 1)


Distance PQ


Here,


x1 = – 3, y1 = 7, z1 = 2


x2 = 2, y2 = 4, z2 = – 1


Distance PQ





Thus, the required distance is units.


More from this chapter

All 25 →
4

Fill in the blanks:

(i) The x-axis and y-axis taken together determine a plane known as _______.


(ii) The coordinates of points in the XY-plane are of the form _______.


(iii) Coordinate planes divide the space into ______ octants.

 1

Find the distance between the following pairs of points:

(2, 3, 5) and (4, 3, 1)

 1

Find the distance between the following pairs of points:

(–1, 3, – 4) and (1, –3, 4)

 1

Find the distance between the following pairs of points:

(2, –1, 3) and (–2, 1, 3).