Binomial Expansion Calculator

Expand (a + b)ⁿ using the Binomial Theorem.

How to Use This Calculator

Enter your a.
Enter your b.
Enter your n (power).
Click Calculate to see instant results with a step-by-step breakdown.
Use the Share button to copy a link with your inputs pre-filled.

⚠️ Results are for informational purposes only. Always verify important calculations with a qualified professional.

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