Arnold K H Tan's answer to kim Yeon Jae's Secondary 3 A Maths question.

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Arnold K H Tan
Arnold K H Tan's answer
2153 answers (A Helpful Person)
I tutor Chemistry, Physics and Biology, as well as A/Emath on the sidelines. Will attend to questions on these subjects, time permitting. Little or no time during the exam period, as I will be busy working to prepare my students to score well.