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secondary 3 | A Maths
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secondary 3 chevron_right A Maths chevron_right Singapore


Date Posted: 4 months ago
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Marcus Neale Goh Zheng Jie
Marcus Neale Goh Zheng Jie's answer
7 answers (Tutor Details)
I hope this solution is clear. Feel free to clarify if you still have doubts or if you think I may have made a mistake.
4 months ago
Calculus is not part of the sec 3 syllabus. This whole exercise is clearly on discriminant and the nature of roots so you should've used that to solve the 2nd part instead.
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Jiayang's answer
1883 answers (Tutor Details)
CTS or the good ol discriminant is more suitable for you