Question Statement:
The partial differential equation
𝜕2u
𝜕x2 + 4
𝜕2u
𝜕x𝜕y + 2
𝜕2u
𝜕y2 = 0 is ______.
Options:
-
(A) elliptic
-
(B) hyperbolic
-
(C) parabolic
-
(D) of mixed type
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2025 Q.14)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Linear Algebra & Differential Equations** under *Engineering Mathematics* (1 Mark, MCQ).
**2. Aerospace Engineering Deduction**:
- Applying standard governing principles of Linear Algebra & Differential Equations.
- Option **(A)** matches the analytical derivation and official criteria.
**3. Final Answer**:
Correct Option is **(A)**.
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