Rearranging powers and reciprocals

Rearranging powers and reciprocals

Secondary 2
3 marks
TGM Original Questions

Given \(\dfrac3p=\dfrac2q+\dfrac5r\), express \(q\) in terms of \(p,r\).[3]

Assume \(p,r\ne0\) and \(3r\ne5p\).

Solution:

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Answer:\(q=\dfrac{2pr}{3r-5p}\).

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