Question:

Which one of the following is harmonic function

Updated On: Mar 12, 2025

$f(x,y) = x^2-y^2-2xy-2x+3y$
$f(x, y) = x^3+ y^3$
$f(x, y)=x^4+y^4-xy$
$f(x, y) = x^2+ y^2+2xy$

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The Correct Option is A

Solution and Explanation

The correct option is(A)

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