Calculus 3: Graphing in 3-D Basic Shapes (2 of 9) Length of Line Segment

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In this video I will explain that calculating the length of a line segment in 3 dimensional space is pretty much like calculating the length of a line segment in 2 dimensional space except there is an extra variable in the 3rd dimension. In this case is the z variable

Next video in the series can be seen at:
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