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Question

The distance between the points (1,4,5) and (2,2,3) is:


A

5

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B

4

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C

3

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D

2

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Solution

The correct option is C

3


Explanation for the correct answer:

Finding the distance between the points:

Given that the points are (1,4,5) and (2,2,3)

Ax1,y1,z1=1,4,5Bx2,y2,z2=2,2,3

The distance formula is AB=x2-x12+y2-y12+z2-z12

Distance between the points is:

=(2-1)2+2-42+(3-5)2=1+4+4=3

Hence, the correct answer is Option (C).


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