Multiple Choice

A technical writer at an industrial design firm is updating the company's internal guidelines for standardizing engineering formulas in technical reports. The guidelines specify that any expression with a denominator containing a cube root, such as a3\sqrt[3]{a}, must be rationalized. According to these standards, which radical expression should be used to multiply both the numerator and the denominator to rationalize the term 1a3\frac{1}{\sqrt[3]{a}}?

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Updated 2026-05-21

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