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2022 EOY ACSI P1 Q3

2022 EOY ACSI P1 Q3

IP 2
3 marks

Given that \(\sqrt{x^2 - 2a^2} = a\),

  1. make \(x\) the subject of the formula,

    [2]

  2. find the value(s) of \(x\) when \(a = \sqrt{3}\).

    [1]

Solution:

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Answer:(i) \(x = \pm a\sqrt{3}\) (ii) \(x = \pm 3\)

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