Question

prove that:-(x a/x b)a+bx(x b/x c)b+c x(x c/x a)c+a=1​

Answer 1

Answer:

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.