2020 NHHS AM S4 P2 Q10

2020 NHHS AM S4 P2 Q10

3 marks

Given that \(\frac{\lg x}{2}-\lg \left( \frac{y}{x} \right)=\lg \left( \frac{1}{x} \right)\), express \(y\) as a power of \(x\).[3]

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Answer:\(y=x^{5/2}\), for \(x,y>0\).

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