Question

factorise (x-y)³+(y-z)³+(z-x)³​

Answer 1

Answer:

a^3+b^3+c^3=3abc. If a+b+c=0

x-y+y-z+z-x=0

Therefore (x-y) ³ + (y-z) ³ + (z-x) ³=3(x-y)(y-z)(z-x)