Total Differential Equation
Total Differential Equation
Exact Differential Equation
A function
that satisfies the exact differential equation
System of differential equations
Solution method 1 Using the transformation
satisfying
and construct an integrable equation.
Solution method 2
Find the respective solutions that satisfy the system.
Solution method 3
The equations are solved by finding one of the solutions and substituting into the other equation to eliminate variables.
Jacobi's multiplier
Given that
, the equation 
with
is called Jacobi's multiplier.
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