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secondary 3 | A Maths
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Brian
Brian

secondary 3 chevron_right A Maths chevron_right Singapore

3b 3c

Date Posted: 4 years ago
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Jiayang
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Eric Nicholas K
Eric Nicholas K
4 years ago
An alternative "start from scratch" method is to start all over as a cubic polynomial, guess a factor and then factorise the expression by long division. This was probably how the factorisation of a3 + b3 and a3 - b3 was discovered.