If fx=x, x is rational1-x, x is irrational Then ffx is
x∀x∈R
x, x is irrational1-x, x is rational
x, x is rational1-x, x isirrational
none of these
ffx=fx, fx is rational1-fx, fx is irrational = x, x is rational1-1-x=x, x is irrational