Length, breadth and height of a cuboidal tank are \[(x-3y)m,\,(x+3y)m\]and\[({{x}^{2}}+9{{y}^{2}})m\] respectively. Find the volume of the tank.

\[({{x}^{4}}+81{{y}^{4}}){{m}^{3}}\]

\[({{x}^{3}}+3xy+27{{y}^{3}}){{m}^{3}}\]

\[({{x}^{4}}+2{{x}^{2}}{{y}^{2}}+81{{y}^{4}}){{m}^{3}}\]

\[({{x}^{2}}-81{{y}^{4}}){{m}^{3}}\]

Length, breadth and height of a cuboidal tank are \[(x-3y)m,\,(x+3y)m\

1.	Length, breadth and height of a cuboidal tank are \[(x-3y)m,\,(x+3y)m\]and\[({{x}^{2}}+9{{y}^{2}})m\] respectively. Find the volume of the tank.
A.	\[({{x}^{3}}+3xy+27{{y}^{3}}){{m}^{3}}\]
B.	\[({{x}^{4}}+2{{x}^{2}}{{y}^{2}}+81{{y}^{4}}){{m}^{3}}\]
C.	\[({{x}^{2}}-81{{y}^{4}}){{m}^{3}}\]
D.	\[({{x}^{4}}+81{{y}^{4}}){{m}^{3}}\]
Answer» D. \[({{x}^{4}}+81{{y}^{4}}){{m}^{3}}\]

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Length, breadth and height of a cuboidal tank are \[(x-3y)m,\,(x+3y)m\]and\[({{x}^{2}}+9{{y}^{2}})m\] respectively. Find the volume of the tank.

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