Marcus Neale Goh Zheng Jie's answer to Kyra leow's Secondary 3 A Maths Singapore question.
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**An alternative to using the binomial expansion is to recall the Maclaurin expansion which will involve repeated derivation (power rule). I hope the solution is helpful and makes sense. Feel free to clarify is I was not clear or if I made an error.
Date Posted:
4 years ago
The “repeated derivation” part is not in the O Level syllabus for A Maths.
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