2025 EJC Promo Q2

2025 EJC Promo Q2

Junior College 1
4 marks

The diagram shows the sketch of the curves \(y=|x^2-5|\) and \(y=x+2\). Solve the inequality \(|x^2-5|>x+2\) exactly.[4]

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Answer:\(x<\dfrac{-1+\sqrt{13}}2\) or \(x>\dfrac{1+\sqrt{29}}2\)

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