Alternative Equation Formats

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MathML

f (Π_{k}) = Π_{k}^{- \frac{1}{2}} + τ Π_{k}^{\frac{1}{2}}

f (Π_{k}) = Π_{k}^{- \frac{1}{2}} + τ Π_{k}^{\frac{1}{2}}

\[ f({\Pi }_{k}) = {\Pi }^{-\frac{1}{2}}_{k} + \tau \, {\Pi }^{\frac{1}{2}}_{k} \]