2025 CCHY PRELIMS P1 Q7

2025 CCHY PRELIMS P1 Q7

Secondary 4
3 marks

Rearrange the formula \(\dfrac{x}{3}=\left(\dfrac{y}{7z-6w}\right)^{\frac13}\) to make \(z\) the subject.[3]

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Answer:\(z=\dfrac{27y+6x^3w}{7x^3}\)

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