Binomial Theorem Calculator

    Expand binomials using the theorem

    Formula

    (a+b)^n = Σ C(n,k)×a^(n-k)×b^k

    Expand powers of binomials using Pascal's triangle coefficients.

    Examples

    (2+1)^4

    = 81 = 16+32+24+8+1.

    Frequently Asked Questions

    About Binomial Theorem

    Expand binomial expressions using the binomial theorem.