What is the order of the differential equation `dx/dy+ int y dx=x^3`?

1.	What is the order of the differential equation `dx/dy+ int y dx=x^3`?
Answer» `dx/dy + int ydx = x^3` As we do not know about `y` ,so we can not integrate it. So, we can not determine the order of the given differential equation with `dx/dy`. Now, we will try to reverse the given equation in the form of `dy/dx`. `int ydx = x^3-dx/dy` For this, we have to find `d/dx(dx/dy)` which is again not possible. Hence, we can not determine the order of the given differential equation.

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What is the order of the differential equation `dx/dy+ int y dx=x^3`?

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