Appendix

A-4: Algebraic Expressions and Operations

Example A-4.4

$$ Obtain the real root of ${\left(-8\right)}^{1\/3}$. $$ Solution Interactive Solution $$ •  Type the given expression. •  Context Panel: Conversions≻To Surd Form ${\left(-8\right)}^{1\/3}$$\stackrel{\text{to surd}}{\to }$$-2$   Maple uses the word "surd" for the real root of a negative number. A dictionary would tell you that a surd is a mathematical quantity not expressible in rational numbers.   Coded Solution $$ •  Assign the given expression to q. $q≔{\left(-8\right)}^{1\/3}$ •  Apply the convert command with parameter "surd". $\mathrm{convert}\left(q\,\mathrm{surd}\right)$ $$

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