About the Binomial Theorem Expander

The Binomial Theorem Expander expands (ax+by)ⁿ for any integer n up to 20. It shows the full expansion, a term-by-term table with binomial coefficients C(n,k), and the corresponding Pascal's triangle row.

How to use the Binomial Theorem Expander

  1. Enter coefficients a, b and their powers.
  2. Set the exponent n.
  3. Click Expand to see the full expansion and term table.

Frequently asked questions

Is this tool free to use?

Yes. The Binomial Theorem Expander is completely free with no sign-up and no limits.

Is my data uploaded to a server?

No. All calculations run in your browser using JavaScript. Nothing is sent to any server.

Does it work offline?

Yes. Once the page is loaded, all computations work without an internet connection.

Does it work on mobile?

Yes, it works in any modern browser on desktop, tablet and mobile.

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Related keywords

binomial theorembinomial expansion(a+b)^n expansionpascal trianglebinomial coefficientsbinomial series