Show that if (Nx My)/(xM yN) = R, where R depends on the quantity xy only, then the
Chapter 2, Problem 24(choose chapter or problem)
Show that if (Nx My)/(xM yN) = R, where R depends on the quantity xy only, then the differential equation M + Ny = 0 has an integrating factor of the form (xy). Find a general formula for this integrating factor.
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