Class 12 Mathematics - Chapter Differential Equations NCERT Solutions | The order of the differential equation

Welcome to the NCERT Solutions for Class 12th Mathematics - Chapter Differential Equations. This page offers a step-by-step solution to the specific question from Exercise 1, Question 12: the order of the differential equation begin a....
Question 12

The order of the differential equation

\begin{align}2x^2\frac{d^2y}{dx^2}\;- \;3\frac{dy}{dx}\;+ y=\;0\end{align}

is (A) 2 (B) 1 (C) 0 (D) not defined

Answer

\begin{align}2x^2\frac{d^2y}{dx^2}\;- \;3\frac{dy}{dx}\;+ y=\;0\end{align}

The highest order derivative present in the given differential equation is

\begin{align}\frac{d^2y}{dx^2}\end{align}

Therefore, its order is two.

Hence, the correct answer is A.

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