Let's substitute a=1/3 into the given expression:
(1/3 + 1)(1/3 - 1)(1/3² + 1) - (9 + 1/3²)^= (4/3)(-2/3)(10/9 + 1) - (9 + 1/9)^= (-8/9)(19/9) - (81 + 1/9= -152/81 - (729/9 + 1/9= -152/81 - 730/= -152/81 - 810/8= -962/81
Therefore, the value of the expression is -962/81 when a=1/3.
Let's substitute a=1/3 into the given expression:
(1/3 + 1)(1/3 - 1)(1/3² + 1) - (9 + 1/3²)^
= (4/3)(-2/3)(10/9 + 1) - (9 + 1/9)^
= (-8/9)(19/9) - (81 + 1/9
= -152/81 - (729/9 + 1/9
= -152/81 - 730/
= -152/81 - 810/8
= -962/81
Therefore, the value of the expression is -962/81 when a=1/3.