Mathematics · Partial Differential Equations
Which of the following second-order linear partial differential equations is elliptic?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 15uxx + 7uxy + 3uyy + 4ux + u = 0✓
- 2uxx + 4uxy + 4uyy + 3uy + u = 0
- 34uxx + 4uxy + uyy + 2ux + u = 0
- 4uxx - 2uxy - uyy = 0
Correct answer
5uxx + 7uxy + 3uyy + 4ux + u = 0
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