Alternative Equation Formats

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MathML

S_{i} = [\frac{r_{i}}{r_{i} + 1}] S_{i - 1}

S_{i} = [\frac{r_{i}}{r_{i} + 1}] S_{i - 1}

\[ S_{i} = \left[\frac{r_{i}}{r_{i}+1}\right]S_{i-1} \]