Module 14 :  Double Integrals, Applilcations to Areas and Volumes Change of variables
Lecture 41 :  Applications of multiple integrals  [Section 41.2]
 
41.2.4 Definition :
 

For a closed solid , the triple integral

defines the volume of the solid.

   
41.2.5 Note :
  The notion of volume given by when  is the region
 

for in this case

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