Answer:
May it helps you ( give me a like ).
L .H .S
(Xa/x-b)a-b . (xb/x-c)b-c .(xc/x-a)c-a
= (xa+b)a-b , (xb+c)b-c .(xc+a)c-a
= x(a+b)(a-b) . x(b+c)(b-c) .x(c+a)(c-a)
= xo
= 1 = R.H.S.
