Math Chapter Wise Limit, Continuity And Differentiability Of Function Of One Variable English MCQ UP PGT-2016 (02-02-2019) Q.If ((())) 2 f x 4 x, = − = − then x 1 f(1) f(x) lim x 1 → − is equal to A1/3 B3 C0 D2/3 Show answer Correct answer: 1/3