For x ∈ R -{0,1}, let f1(x) = 1/x, f2(x) = 1 - x and f3(x) = 1/1-x be three given functions. If a function, J(x) satisfies (f2 J f1)(x) = f3(x) then J(x) is equal to
(1) f2(x)
(2) f1(x)
(3) 1/x f3(x)
(4) f3(x)
Correct option (4) f3(x)
Explanation:
