Question

(a/b)³+(b/c)³+(c/a)³




factorise this by using suitable identity ​

Answer 1

Step-by-step explanation:

(a/b)³ + (b/c)³ + (c/a)³ =

{(a/b + b/c + c/a)} {(a/b)² + (b/c)² + (c/a)² – a/c – c/b – b/a}

Answer 2

Step-by-step explanation:

(a/b)^3+(b/c)^3+(c/a)^3

=(a/b+b/c+c/a){(a/b