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Sticky Note
Laplace equation is ______ order partial differential equation.
  1. 2nd
  2. 3rd
  3. 1st
  4. None of these
Explanation

The Laplace equation is a 2nd order partial differential equation, given by:

∇²u = 0 or ∂²u/∂x² + ∂²u/∂y² + ∂²u/∂z² = 0

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