Let \( \alpha, \beta \in R \) be such that \( \lim _{x \rightarrow ...

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Let \( \alpha, \beta \in R \) be such that \( \lim _{x \rightarrow 0} \frac{x^{2} \sin (\beta x)}{\alpha x-\sin x}=1 \). Then \( 6(\alpha+\beta) \) equals
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