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	Các bình luận về: Cho hàm số \(f\left( x \right) = \left\{ \begin{array}{l}4{x^3}{\kern 1pt} + 2x + 1{\kern 1pt} {\kern 1pt} {\kern 1pt} \,\,\,\,\,\,{\rm{khi}}{\kern 1pt} {\kern 1pt} {\kern 1pt} x \ge 0\\4x + 1{\kern 1pt} {\kern 1pt} {\kern 1pt} &#038; \,\,\,\,\,\,\,\,\,{\rm{khi}}{\kern 1pt} {\kern 1pt} x &#060; 0\end{array} \right.\), giả sử \(F\) là nguyên hàm của \(f\) trên \(\mathbb{R}\) thỏa mãn \(F\left( 1 \right) = 2\).Giá trị của \(2F\left( { &#8211; 1} \right) + 3F\left( 2 \right)\) bằng.	</title>
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