Aerospace Engineering > GATE 2022 > Partial Differential Equations
Consider the partial differential equation ∂2f/∂x2 + ∂2f/∂y2 = 0,
where x, y are real. If f(x, y) = a(x)b(y), where a(x) and b(y) are real functions, which one of the following statements can be true?
where x, y are real. If f(x, y) = a(x)b(y), where a(x) and b(y) are real functions, which one of the following statements can be true?
Correct : b
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