2025 CGSS PRELIMS P1 Q1

2025 CGSS PRELIMS P1 Q1

Secondary 4
5 marks
  1. Given \(a=\dfrac{v^2-t^2}{2s}\), express \(v\) in terms of \(a\), \(t\) and \(s\).[2]
  2. Simplify \(\dfrac{xy}{x^2-4xy+4y^2}-\dfrac{2y}{4y-2x}\).[3]

Solution:

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Answer:(a) \(v=\pm\sqrt{2as+t^2}\) (b) \(\frac{2y(x-y)}{(x-2y)^2}\)

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