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Define two new operations as follows:

$H?T =$ $ \cfrac{H}{3}-T^2 $ and $H§Y = $ $ \cfrac{Y}{3}-H^2 $,

Simplify $(Y§T)?$ $ [(\cfrac{T}{81})^\frac{1}{2} ]$.

Assume that $?$ and $§$ have equal priority as orders of operations but have lower priority than exponents.

A

$ \cfrac{8T}{81}-\cfrac{Y^2}{3} $

B

$ \cfrac{-Y^2}{3} $

C

$ \cfrac{82T}{81} - \cfrac{Y^2}{3} $

D

$ \cfrac{80T}{81 }- \cfrac{Y^2}{3} $

E

$ \cfrac{2T}{9}-\cfrac{Y^2}{3} $

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