In a book stands that rational algebraic expression is and that are not rational algebraic expression

How can be rational algebraic expression? Why isn't irrational?

Why are irrational?

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- Jan 2nd 2006, 01:31 AMDenMac21Rational algebraic expressions
In a book stands that rational algebraic expression is and that are not rational algebraic expression

How can be rational algebraic expression? Why isn't irrational?

Why are irrational? - Jan 2nd 2006, 02:05 PMCaptainBlackQuote:

Originally Posted by**DenMac21**

,

where and are polynomials in x. Note this does not require

that the coefficients in either polynomial be rational.

With this definition is a rational algebraic expression

(even though is not a rational number).

Clearly with this definition is not a rational algebraic expression.

Assuming the remaining expression should be: and that and

are polynomials then this is not a rational algebraic expression.

RonL