Differential Equations · JEE Main previous year questions

2012 1 question

1. Q192012 · 26 May 2012 · Shift 1

   The integrating factor of the differential equation $(x^2-1)\frac{dy}{dx}+2xy=x$ is

   1. A.$\frac{1}{x^2-1}$
   2. B.$x^2-1$
   3. C.$\frac{x^2-1}{x}$
   4. D.$\frac{x}{x^2-1}$
   Show answer

   Answer: B