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

3 years ago

1 Reply

1574 views

Xander Corwin

1 Answer

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

Think you can help?

Need an A-Level Maths tutor?

Get started with a free online introductions with an experienced and qualified online tutor on Sherpa.

Find an A-Level Maths Tutor