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Variables

Variables[poly]
gives a list of all independent variables in a polynomial.
Find a list of variables of a polynomial:
Find a list of variables of a polynomial:
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A polynomial:
A list of polynomials:
A rational function:
Find variables in a radical expression:
Find variables present after reducing coefficients modulo 2:
Use CoefficientList to find coefficients of polynomials:
Variables looks for variables only inside sums, products, and rational powers:
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