J's answer to Sally Tan's Junior College 1 H2 Maths Singapore question.
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The same question was answered by me and another tutor last week.
Refer to : https://ask.manytutors.com/questions/96742
Refer to : https://ask.manytutors.com/questions/96742
Date Posted:
3 years ago
There were 2 alternative methods used from the one Mark has provided here.
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