2024 GESS PRELIMS P1 Q2
2024 GESS PRELIMS P1 Q2
4 marks
- Factorise \(64 - (x + 1)^3\).[2]
- Hence, solve \(64 - (x + 1)^3 = 15(3 - x)\), expressing non-integer roots in surd form.[2]
Solution:
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Answer:(a) \((3-x)(x^2+6x+21)\) (b) \(x=3\), \(-3+\sqrt3\), \(-3-\sqrt3\).
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