GATE EE 2019 Set 1 — Question 13

MCQ+1 / -0.33EasyHeat, Wave & Laplace EquationsDifferential EquationsEngineering Mathematics

Engineering Mathematics → Differential Equations → Heat, Wave & Laplace Equations

Last updated 5 September 2026

Question

\frac{\partial^2 u}{\partial t^2} - c^2 \left( \frac{\partial^2 u}{\partial x^2} + \frac{\partial^2 u}{\partial y^2} \right) = 0

\frac{\partial^2 u}{\partial t^2} = c^2 \left( \frac{\partial^2 u}{\partial x^2} + \frac{\partial^2 u}{\partial y^2} \right)

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\frac{\partial^2 u}{\partial t^2} = c^2 \left( \frac{\partial^2 u}{\partial x^2} + \frac{\partial^2 u}{\partial y^2} \right)

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