A first-order differential equation is an equation that involves the first derivative of an unknown function and possibly the function itself. This type of equation is fundamental in understanding how a quantity changes in relation to another variable, often expressed as $$rac{dy}{dx} = f(x, y)$$, where $$f$$ is a known function. These equations are essential for modeling real-world phenomena and can be solved using various methods, including separation of variables and integrating factors.
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