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  3. given the 3rd order differential equation: y''' -

given the 3rd order differential equation: y''' - 3y'' + 2y' = ex / (1 +...

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Basic Math

given the 3rd order differential equation: y''' - 3y'' + 2y' =ex / (1 + e-x)

i) set u = y' to reduce the order of the equation to order 2

ii) solve the reduced equation using variation of parameters

iii) find the solution of the original differential equation

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