Q234 / 270 · NDA 2012 (Phase 2) · Mathematics

What is the degree of the differential equation $\frac{d^3 y}{d x^3}+2\left(\frac{d^2 y}{d x^2}\right)-\frac{d y}{d x}+y=0$ ?

  • A
    6
  • B
    3
  • C
    2
  • Correct answer
    D
    1

Solution

$\begin{aligned} & \frac{d^3 y}{d x^3}+2\left(\frac{d^2 y}{d x^2}\right)^2-\frac{d y}{d x}+y=0 \\ & \text {degree }=1\end{aligned}$

Hence, the correct answer is option: 'D'.

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