IP1U5 5.4 Worked Example 4
IP1U5 5.4 Worked Example 4
Make \(x\) the subject of the formula \(y=\frac{3{{x}^{2}}z-y}{{{x}^{2}}}\).
Hence find the value(s) of \(x\) when \(y=6\) and \(z=4\).
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Answer:\(x=\pm\sqrt{\frac{y}{3z-y}}\) When \(y=6\) and \(z=4\), \(x=\pm1\).
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