Question

(a-b)³ (b-c)³ (c-a)³

Answer 1

answer is 3abc



by identity
${x}^{3} - {y}^{3} - {z}^{3} = 3xyz \\ if \: x + y + z = 0 \\ a - b + b - c + c - a = 0 \\ so \: \: \: 3(a - b)(b - c)(c - a)$