If f (x; y; z)> 0 on U, the mass M
2. The volume of the body
1. The physical meaning of the triple integral
EVIDENCE
Since f (x; y; z) = I> 0 to Y, then
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If U = U1 U2, where U1 and U2 do not intersect,
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If you know the smallest and the largest M m values
7.
Theorem 2.6 (the mean value of the double integral):
where M * - a kind of "average" point of the domain U, f (x; y; z) - continuous in U.