Answer
Convergent for $p\gt 1$.
Work Step by Step
$\int_{3}^{\infty}\frac{1}{xlnx[ln(lnx)]^{p}}dx=\int_{ln(ln3)}^{\infty}\frac{1}{u^{p}}du=\int_{ln(ln3)}^{\infty}u^{-p}du$
which is convergent for $p\gt 1$.
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