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	Các bình luận về: 60. Biết \(\int\limits_1^e {\frac{{{{\ln }^2}x}}{x}{\rm{d}}x = \frac{a}{b}} \) với \(a,b \in \mathbb{N}\) và \(\frac{a}{b}\) là phân số tối giản. Tính \(S = {a^2} + {b^2}\).	</title>
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