2025 CGS PRELIMS P2 Q1
2025 CGS PRELIMS P2 Q1
Secondary 4
6 marks
2025 Crescent Girls' School Prelims A Math Paper 2
- Show that the equation \(3e^{2x} + 7e^x = 6\) has only one solution and find its value correct to 2 significant figures.[4]
- Factorise \((3x + 1)^3 - 8\) completely.[2]
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Answer:(a) \(x=-0.41\) correct to \(2\) significant figures. (b) \((3x-1)(9x^2+12x+7)\)
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