Eric Nicholas K's answer to Clara's Secondary 4 A Maths Singapore question.

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
Help has arrived.

You will need to know these things.

1. Either general term or the full expansion
2. Some simplification skills
3. An understanding of what the question is trying to ask (here, the ratio)
4. Some indices techniques