Alternative Equation Formats

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MathML

t = {\begin{cases} 1 & if r_{L} r_{M} \leq 3 \\ {[\frac{(r_{L} r_{M})^{2} - 4}{r_{L}^{2} + r_{M}^{2} - 5}]}^{\frac{1}{2}} & if r_{L} r_{M} \geq 4 \end{cases}

Math Rendered as SVG

Math as LaTeX Source

\begin{equation*} t = \begin{cases} 1 & \text {if } r_ L r_ M \le 3 \\ \left[ \frac{(r_ L r_ M)^2 - 4}{r_ L^2 + r_ M^2 - 5} \right]^\frac {1}{2} & \text {if } r_ L r_ M \ge 4 \end{cases}\end{equation*}