Question

plzzzz solveeee........urgent​

Answer 1

Step-by-step explanation:

given, abc=1

c=1/ab, 1/c=ab

1/(1+a+1/b) +1/(1+b+1/c) +1/(1+c+1/a) =

b/(1+b+ab) +1/(1+b+ab) +1/(1+ 1/ab +1/a)

b)/(1+b+ab) +1/(1+b+ab) +ab/(1+b+ab)

(1+b+ab) /(1+b+ab) =1

proved.