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  • Mechanical Engg. (GATE) 2005
  • The complete solution for the ordinary differential equat...
Multiple choice

The complete solution for the ordinary differential equation $\frac{d^2y}{dx^2}+p\frac{dy}{dx}+qy=0$ is y = c1e-x + c2e-3x. Which of the following is a solution of the differential equation :$\frac{d^2y}{dx^2}+p\frac{dy}{dx}+(q+1)y=0 ?$

  1. $e^{-3x}$
  2. $xe^{-x}$
  3. $xe^{-2x}$
  4. $x^2e^{-2x}$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

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