In finding the solutions of differential equations by P, Q, method (dy/dx + Py = Q), when the integrating factor = e (to the power, integration of P. dx) is it necessary that Q must be in terms of x variable only? Or can terms with y variable be also present?

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Pop Tart

29 August, 06:13

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Isabelle Case · Answer 1

Yes. Q must be in terms of v variables or a constant. It cannot be in terms of y variables.