Simplify the following expression.
323 - 3(322) (12) + 3(32) (123) - 123
Explanation:
We know, (x - y)3 = x3 - 3x2y + 3xy2 - y3
∴ 323 - 3(322) (12) + 3(32) (123) - 123 = (32 - 12)3 = 203 = 8000
Hence, optin (a).