4. Consider the first order partial differential equation −x yux + (x² + y² + x)uy = y(u+x²+1), xЄ R, y > 0. (a) Write the system of characteristic equations.

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4. Consider the first order partial differential equation
−x yux + (x² + y² + x)uy
=
y(u+x²+1), xЄ R, y > 0.
(a) Write the system of characteristic equations.
Transcribed Image Text:4. Consider the first order partial differential equation −x yux + (x² + y² + x)uy = y(u+x²+1), xЄ R, y > 0. (a) Write the system of characteristic equations.
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