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type/specified_rootof - check for a RootOf data structure that is a specific root of an expression
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Calling Sequence
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type(expr, specified_rootof)
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Description
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The type(expr, specified_rootof) function returns true if expr is a specific root of an expression that uses a RootOf data structure. Otherwise, false is returned.
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This function recognizes two forms of roots.
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1. RootOf(expr, index = n) where expr is an algebraic expression, and n is a positive integer
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Specifies the roots of a rational polynomial.
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2. RootOf(expr, c) where expr is an algebraic expression, and c is a constant
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Specifies the closest root to the point c.
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If extra arguments are included in the call to type(expr, specified_rootof), they are ignored.
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Examples
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