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  1. pluto1611

    Toán Hỏi đáp

    \lim_{x \to 0 } \frac{(\sqrt[3]{3x^2-1} +1)\frac{x^2}{4}}{\frac{x^2}{4}.2sin^2(\frac{x}{2})} + \lim_{x \to 0 } \frac{(\sqrt{2x^2+1} -1)\frac{x^2}{4}}{\frac{x^2}{4}.2sin^2(\frac{x}{2})}
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