Binomial Expansion Calculator
Expand binomials using the binomial theorem and Pascal's triangle.
Examples:
Binomial Theorem
(a + b)ⁿ = Σ C(n,k) × aⁿ⁻ᵏ × bᵏ
Where C(n,k) = n! / (k!(n-k)!) are the binomial coefficients from Pascal's triangle.