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secondary 3 | E Maths
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glcwyskin
Glcwyskin

secondary 3 chevron_right E Maths chevron_right Singapore

help pls

Date Posted: 2 years ago
Views: 420
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Cheng
Cheng's answer
237 answers (A Helpful Person)
1st
if you want to check you can sub r back in to find l and use any of the formula to calculate if both sides are equal