Ononot — Consider the nonlinear differential equation \frac{dz}{d\the

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Differential Equationshard

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Consider the nonlinear differential equation $\frac{dz}{d\theta} = \frac{z^2 + 5z\theta + 3\theta^2}{\theta^2}$ . Which substitution reduces this to a separable equation in terms of $v$ where $v = \frac{z}{\theta}$ ?