Question

factorise: (a-b)cube +(b-c)cube +(c-a)cube​

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)

hope it will help you

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