Which is Correct ?
Which one of the following is correct?
- f(f(f(g(g(f(x)))))) = g(g(f(g(f(x)))))
- f(f(g(g(g(f(x)))))) = g(g(f(g(f(x)))))
- f(g(f(g(g(f(g(x))))))) = g(g(f(g(f(x)))))
- f(f(f(g(g(f(x)))))) = f(f(f(g(f(x)))))
Which one of the following is correct?