Math Chapter Wise Limit, Continuity And Differentiability Of Function Of One Variable English MCQ UP PCS (Pre) 1994 Q.If x y x, then dy x dx is– A2 y 1- ylogx B2 x 1- ylogx C2 y 1+ ylogx D2 x 1+ ylogx Show answer Correct answer: 2 y 1- ylogx