Question

What is (a + b)^3

Answer 1

Here's one I prepared earlier:
http://www.wolframalpha.com/input/?i=%28a+%2B+b%29^3

Answer 2

its a binomial expansion and uses the coefficients found in pascals triangle

(a+b)^3 = a^3 + 3a^2b + 3ab^2 + b^3

Answer 3

a^3+3a^2b+3ab^2+b^3