Inequalities - Inequalities involving Substitution

Inequalities - Inequalities involving Substitution

Solve the inequality \(\frac{x-1}{x+1}>\frac{x}{6}\). Hence find the range of values of \(x\) that satisfy the inequality \(\frac{\ln \left( \frac{x}{e} \right)}{\ln \left( ex \right)}>\frac{\ln x}{6}\).

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Answer:\(x < -1\) or \(2 < x < 3\); \(0 < x < \dfrac{1}{\mathrm{e}}\) or \(\mathrm{e}^2 < x < \mathrm{e}^3\)

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