MT Moderator's answer to Sophia's Secondary 3 A Maths question.
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This is actually not an algebra question!
Date Posted:
8 years ago
I was working on another problem when I realised that you do learn binomial expansion in Secondary levels.
In my working here, I actually showed you how to derive the nCr part of the expansion. If you know binomial expansion, it's even easier!
In my working here, I actually showed you how to derive the nCr part of the expansion. If you know binomial expansion, it's even easier!
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