Find a special integrating factor mu(y) for an almost-exact differential equation

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Almost-exact differential equation with integrating factor

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Almost Exact Differential equation & special integrating factor (introduction & example)

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The mysterious s(x) and c(x) problem from Cambridge STEP 1 exam

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🔵13 - Non Exact Differential Equations and Integrating Factors 1

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Exact differential equation (introduction & example)

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You probably haven't solved a quartic equation like this before!

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A very interesting differential equation.

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