Multiple Choice

A data analyst is auditing a financial spreadsheet that uses the algebraic rule for multiplying rational expressions: pq⋅rs=prqs\frac{p}{q} \cdot \frac{r}{s} = \frac{pr}{qs}. According to the mathematical definition of this rule, what specific constraint must be recalled regarding the polynomial expressions qq and ss?

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Updated 2026-09-18

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