Question

Factorise-(a-b) ki whole power 3+(b-c) ki whole power3+(c-a) ki whole power 3

Answer 1

let a-b =x
b-c=y 
c-a=z
then x+y+z= a-b+b-c+c-a=0
then x cube + y cube + z cube=3xyz
3(a-b)(b-c)(c-a)