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	Các bình luận về: Biết hàm số \(F(x)\) liên tục trên \(\mathbb{R},\) là một nguyên hàm của hàm số \(f(x) = \left\{ \begin{array}{l}\frac{1}{{\sqrt {2x + 1} }}\,\,\,{\rm{khi }}x \ge 0\\{(2x + 1)^3}\,\,{\rm{khi }}x &#060; 0\end{array} \right..\) Biết \(F(4) + F( &#8211; 1) = 8.\) Khi đó \(F( &#8211; 2) + 2F(12)\) bằng	</title>
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