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Differential equations are mathematical equations that involve derivatives of a function. They are used to describe how a quantity changes over time or in relation to other variables.
Differential equations are used to model and understand complex systems in physics, engineering, biology, economics, and other fields. They are also essential in solving real-world problems and making predictions.
There are several methods for solving differential equations, including separation of variables, substitution, integrating factors, and using series solutions. The choice of method depends on the type of equation and its complexity.
Not all differential equations can be solved analytically, meaning by finding a closed-form solution. Some equations require numerical methods or approximations to find a solution.
Differential equations are used in various scientific fields to describe and predict the behavior of physical systems. This includes modeling the movement of objects, the growth of populations, and the flow of fluids. They are also used in scientific research and in developing mathematical models for new technologies and processes.