Fong Kei Sen's answer to Tuition Singapore's Junior College 1 H2 Maths question.

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Fong Kei Sen
Fong Kei Sen's answer
42 answers (A Helpful Person)
1st
Techinique used: Manipulating the equation to allow you to fit in values which the question provides. Based on experience, these type of questions usually appear in MCQ, or appear with guided questions in short answer segment for A-levels.