Math Chapter Wise Ordinary And Partial Differential Equations, Integral Equations And Calculus Of Variations English MCQ UP PCS (Pre) 2008 Q.If y = axn+1 +bx–n then 2 2 2 x d y dx is equal to An(n–1)y Bn(n+1)y Cny Dn2/y Show answer Correct answer: n(n+1)y