Madisonk1736 Madisonk1736
  • 11-03-2024
  • Mathematics
contestada

Find the regions in the xy-plane where the equation
(1+x)uₓₓ + 2xyuₓᵧ - y²uᵧᵧ = 0
is elliptic, hyperbolic, or parabolic. Sketch them.

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