Alternative Equation Formats

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MathML

N_{a K} = (σ_{a}^{2} + R σ_{b}^{2}) I_{X} = R (\frac{σ_{a}^{2}}{R} + σ_{b}^{2}) I_{X}

Math Rendered as SVG

Math as LaTeX Source

\[ N_{aK} = ( {\sigma }^{2}_{a} \, + \, R \, {\sigma }^{2}_{b} ) \, I_{X} = R \, ( \frac{{\sigma }^{2}_{a}}{R} \, + \, {\sigma }^{2}_{b} ) \, I_{X} \]