- #1
European Sens
- 19
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If dy/dx = xy - y^2 and y(1) = 3, then y(2) is ?
tiny-tim said:Hi European Sens!
Write it dy/dx = y(x - y).
Does that help?
An implicit differential equation is an equation that relates two or more variables and their derivatives. Unlike explicit differential equations, the dependent variable and its derivative are not explicitly expressed in terms of the independent variable.
The process of solving an implicit differential equation involves finding the general solution, which is a relation between the variables that satisfies the equation. This can be done by using various techniques such as separation of variables, substitution, or integrating factors. The solution can then be found by applying initial or boundary conditions.
The main difference between implicit and explicit differential equations is the way the dependent variable and its derivative are expressed. In an implicit equation, the dependent variable and its derivative are not explicitly stated, while in an explicit equation, both are explicitly expressed in terms of the independent variable.
The solution of an implicit differential equation is typically represented as a curve in the xy-plane, where x and y are the independent and dependent variables respectively. The equation represents the relationship between the slope of the curve at any point and the coordinates of that point.
Implicit differential equations are commonly used in various fields of science and engineering, such as physics, chemistry, biology, and economics. They can be used to model complex systems and phenomena, including population growth, chemical reactions, and heat transfer. They are also essential in fields such as control theory and optimization, where they are used to design and analyze systems and processes.