Math Chapter Wise Limit, Continuity And Differentiability Of Function Of One Variable English MCQ UP PCS (Pre) 1997 Q.The function f(x) differentiable at the origin is Af(x) = |x| B1 xsin,x 0 f(x) x 0,x 0 ≠ = Cf(x)= x2/3 D2 1/ x f(x) e− = Show answer Correct answer: 2 1/ x f(x) e− =