The degree of the differential equation $\log \left(\frac{d y}{d x}\right)$ $\left(2 x+3 \frac{d y}{d…

The degree of the differential equation $\log \left(\frac{d y}{d x}\right)$ $\left(2 x+3 \frac{d y}{d x}\right)^2$ is
  1. 1
  2. 2
  3. 3
  4. not defined

Solution

$ \begin{aligned} & \text {} \because \log \left(\frac{d y}{d x}\right)=\left(2 x+3 \frac{d y}{d x}\right)^2 \\ & \Rightarrow\left(\frac{d y}{d x}\right)-\frac{1}{2 !}\left(\frac{d y}{d x}\right)^2+\frac{1}{3 !}\left(\frac{d y}{d x}\right)^3-\ldots \\ & =4 x^2+3 \\ & \left(\frac{d y}{d x}\right)^2-12 x\left(\frac{d y}{d x}\right) \end{aligned} $ The order of the above differential equation is 1 and degree of the differential equation is undefined

Asked in: AP EAMCET 2023 (18 May Shift 2)

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