Question

(a²-b²)³+ (b²-c²)³+(c²-a²)³/(a-b)³+(b-c)³+(c-a)³

Answer 1

Using identity-x3+y3+z3=3xyz , 3(a2-b2)(b2-c2)(c2-a2)/3(a-b)(b-c)(c-a),3(a+b)(a-b)(b-c)(b+c)(c+a)(c-a)/3(a-b)(b-c)(c-a),(a+b)(b+c)(c+a)