Chen Kai Mun's answer to Shanice Lee's Junior College 1 H2 Maths question.
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Remember to prove radius so you must convert the x found back to radius to get the answer
Date Posted:
7 years ago
But i tot suppose to show that area is a minimum and use the result of r = 4/(4+pie) ? Coz the question states when r = 4/(4+pie)
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