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	Các bình luận về: Cho hàm số \(f(x) = \left\{ \begin{array}{l}1 &#8211; {x^2}\,\,\,{\rm{khi }}x \le 1\\2x &#8211; 2\,\,\,\,\,{\rm{khi }}x &#062; 1\end{array} \right.\). Tính tích phân \(\int\limits_{ &#8211; \frac{\pi }{2}}^{\frac{\pi }{4}} {f\left( {5\sin 2x &#8211; 1} \right)} \cos 2x{\rm{d}}x\).	</title>
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