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secondary 4 | A Maths
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secondary 4 chevron_right A Maths chevron_right Singapore

pls help

Date Posted: 5 months ago
Views: 58

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Darren Lee
Darren Lee's answer
7 answers (Tutor Details)
when you have 2 unknowns, you will need 2 equations and solve simultaneously

the keys is to find the 2 equations - once you know the tangent point, you can find the gradient at that point

hope this helps! :)