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secondary 4 | A Maths
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Kathy
Kathy

secondary 4 chevron_right A Maths chevron_right Singapore

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Date Posted: 5 years ago
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Eric Nicholas K
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Here. I found part (a) challenging to do; I over-expanded one bracket the first time I attempted this and missed the end point for good.

Part (b) looks challenging, but actually very simple.