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# How do you know how many terms to work out in a binomial expansion?

2 years ago

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Xander Corwin

1 Answer

I

Inga

It is usually given in a question. They would say something like "find the first three terms" or "find the binomial expansion up to and including the term in x³". If it doesn't say that, you need to expand fully; it will usually be with lower powers.

Hope that helps,

Inga

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