JEE Math Practice Question
If $y(x)$ is the solution of the differential equation \[ x d y-\left(y^{2}-4 y\right) d x=0 \text { for } x>0, \quad y(1)=2, \] and the slope of the curve $y=y(x)$ is never zero, then what is the value of $10 y(\sqrt{2})$?
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