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## 80 ratpow

The package `ratpow` provides functions that find the exponents of the denominator in a CRE polynomial. If the exponents in the denominator are needed instead `ratdenom` can be used to extract this denominator first. Returned coefficients are in CRE form except for numbers.

In order to get a list of vars in a CRE polynomial `showratvars` can be used.

For information about CREs see also `rat`, `ratdisrep` and `showratvars`.

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