[考古] 95台聯大填4

[zjasonn (小聖)]

let R be the region inside the ellipsoid

x^2     y^2     z^2
---- + ----- + -----  = 1
a^2     b^2     c^2

where a,b,c > 0   and  above the plane z=b-y
then the valume of the region R is ________




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