Binomial Expansion Calculator

Expand (a + b)^n

Generate numeric binomial expansion terms for (a + b)^n.

Method: The calculator uses combinations nCr and powers of a and b for each term.

Understanding Binomial Expansion

1. What This Calculator Measures

Binomial expansion rewrites a power such as (a + b)^n as a sum of terms.

2. How the Calculation Works

The calculator uses binomial coefficients from combinations and evaluates each term for the entered a, b, and n values.

3. Formula or Rule Used

(a + b)^n = sum C(n, r)a^(n-r)b^r.

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