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secondary 3 | A Maths
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Lucy
Lucy

secondary 3 chevron_right A Maths chevron_right Singapore

How to derive at this answer? Pls help

Date Posted: 3 years ago
Views: 188

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Tung Jing Hao Ryan
Tung Jing Hao Ryan's answer
7 answers (Tutor Details)
1st
Hello sister, I’m doing part a only so you can try part b yourself. It’s the same idea. The red lines are the reason behind the equation, hope it clarifies!