Math Chapter Wise Limit, Continuity And Differentiability Of Function Of One Variable English MCQ UP PCS (Pre) 2008 Q.If f (3) = 4 and f'(3) = 1, then x 3 xf(3)- 3f(x) lim x - 3 → A–1 B2 C3 D1 Show answer Correct answer: 1