Alternative Equation Formats

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MathML

\begin{aligned} a_{u} & = \frac{s_{2}^{2} t_{1 - \frac{α}{2}, {d f}_{u}}^{2}}{\sum_{i = 1}^{n_{2}^{⋆}} f_{2 i} w_{2 i}} - {\bar{y}}_{2}^{2} \\ b_{u} & = {\bar{y}}_{1} {\bar{y}}_{2} \\ c_{u} & = \frac{s_{1}^{2} t_{1 - \frac{α}{2}, {d f}_{u}}^{2}}{\sum_{i = 1}^{n_{1}^{⋆}} f_{1 i} w_{1 i}} - {\bar{y}}_{1}^{2} \end{aligned}

Math Rendered as SVG

Math as LaTeX Source

\begin{align*} a_ u & = \frac{s_2^2 t^2_{1-\frac{\alpha }{2}, \mr{df}_ u}}{\sum _{i=1}^{n^\star _2} f_{2i} w_{2i}} - \bar{y}^2_2 \\ b_ u & = \bar{y}_1 \bar{y}_2 \\ c_ u & = \frac{s_1^2 t^2_{1-\frac{\alpha }{2}, \mr{df}_ u}}{\sum _{i=1}^{n^\star _1} f_{1i} w_{1i}} - \bar{y}^2_1 \end{align*}