# Definition:Racah

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The LaTeX DLMF and DRMF macro \Racah represents the Racah polynomial.

This macro is in the category of polynomials.

In math mode, this macro can be called in the following ways:

\Racah{n} produces ${\displaystyle{\displaystyle{\displaystyle R_{n}}}}$
\Racah{n}@{x}{\alpha}{\beta}{\gamma}{\delta} produces ${\displaystyle{\displaystyle{\displaystyle R_{n}\!\left(x;\alpha,\beta,\gamma,% \delta\right)}}}$