Question 47878
(A + B)^3
C(3,0)(A)^3 + C(3,1)(A)^2(B) + C(3,2)(A)(B)^2 + C(3,3)(B)^3
C(3,0) = 3!/0!3! = 1
C(3,1) = 3!/1!2! = 3
C(3,2) = 3!/2!1! = 3
C(3,3) = 3!/3!0! = 1
(A)^3 + 3(A)^2(B) + 3(A)(B)^2 + (B)^3
(x + h)^3
x^3 + 3x^2h + 3xh^2 + h^3