Zdroj TeX:

(a+b)^3= \binom {3} {0} a^3 b^0 +\binom {3} {1} a^2 b^1+\binom {3} {2} a^1 b^2+\binom {3} {3} a^0 b^3 = a^3+3a^2b+3ab^2+ b^3