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Find the Distance Between the Following Pairs of Point: A(3, 2, –1) and B(–1, –1, –1). - Mathematics

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Question

Find the distance between the following pairs of point: 

A(3, 2, –1) and B(–1, –1, –1).

Solution

AB =(x2x1)2+(y2y1)2+(z2z1)2

=(13)2+(12)2+(1+1)2
=(4)2+(3)2+(0)2
=16+9+0
=25
=5

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Chapter 28: Introduction to three dimensional coordinate geometry - Exercise 28.2 [Page 9]

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RD Sharma Mathematics [English] Class 11
Chapter 28 Introduction to three dimensional coordinate geometry
Exercise 28.2 | Q 1.2 | Page 9

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