In this case, $a = 3$, $b = 2$, and $f(n) = n^2\sqrt{n}\log\log n = n^{5/2}\log\log n$. The Master Theorem cases are:
Case 1: If $f(n) = O(n^{\log_b a - \epsilon})$ for some constant $\epsilon > 0$, then $T(n) = \Theta(n^{\log_b a})$.
Case 2: If $f(n) =
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