# Differential equations/Integrating factors

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Subject classification: this is a mathematics resource. |

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### DefinitionEdit

If the expression is not exact or homogeneous, an integrating factor can be found so that the equation:

is exact.

### SolutionEdit

There are 2 approaches to a solution.

- If the function is of the form , then the integrating factor is .

OR

If the function is of the standard form , then the integrating factor is or . - Substitute the integration factor into the equation and solve.