Examples of differential equations: Difference between revisions

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:<math>\mu \frac{dy}{dx} + \mu p(x)y = \mu q(x)</math>
 
Because of the special {{mvar|μ}} we picked, we may substitute {{math|{{sfrac|''dμ''|''dx''}}}} for {{math|''μ &hairsp;p''(''x'')}}, simplifying the equation to:
 
:<math>\mu{\frac{dy}{dx}} + y \frac{d\mu}{dx} = \mu q(x)</math>