Binomial Theorem

A method for distributing powers of binomials as shown below.

(a + b)^{4} = a^{4} + 4a^{3}b^{} + 6a^{2}b^{2} + 4ab^{3 }+ b^{4}

The coefficients are from the fourth row of Pascal's Triangle as shown below.

See also

Binomial coefficients, binomial coefficients in Pascal's Triangle, sigma notation