Sviluppare la seguente potenza.
COMB(4, 0) = 1
COMB(4, 1) = 4
COMB(4, 2) = 6
COMB(4, 3) = 4
COMB(4, 4) = 1
1·(1/2·x^2)^4 + 4·(1/2·x^2)^3·(- y^3) +
+6·(1/2·x^2)^2·(- y^3)^2 +
+4·(1/2·x^2)·(- y^3)^3 + (- y^3)^4 =
=x^8/16 - x^6·y^3/2 + 3·x^4·y^6/2 - 2·x^2·y^9 + y^12
In definitiva:
(1/2·x^2 - y^3)^4 =
=x^8/16 - x^6·y^3/2 + 3·x^4·y^6/2 - 2·x^2·y^9 + y^12