Mathematics · Partial Differential Equations
The partial differential equation (x2 + 2) Uxx - y3 Uyy = 0 is:
- 1hyperbolic in { (x, y) : x < 0 }
- 2parabolic in { (x, y) : x > 0 }
- 3elliptic in { (x, y) : y < 0 }✓
- 4hyperbolic in ℝ2
Correct answer
elliptic in { (x, y) : y < 0 }
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