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Definition of algebraic expression. : an expression obtained by a finite number of the fundamental operations of algebra upon symbols representing numbers.
is also an algebraic expression. By contrast, transcendental numbers like Ï and e are not algebraic. A rational expression is an expression that may be rewritten to a rational fraction by using the properties of the arithmetic operations. In other words, a rational expression is an expression which may be constructed from the variables and the constants by using only the four operations of arithmetic. Thus, 3 x 2 â 2 x y + c y 3 â 1 {\displaystyle {\frac {3x^{2}-2xy+c}{y^{3}-1}}} is a ...