2025 PHS P1 Q4

2025 PHS P1 Q4

Secondary 4
5 marks

Given that \(x-1=\sqrt2(2-x)\), show that \(x=a+b\sqrt2\), where \(a\) and \(b\) are integers.[5]

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Answer:\(x=3-\sqrt2\), \(a=3\), \(b=-1\).

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