Harmonic function

Harmonic function

Postby Guest » Sat Aug 07, 2021 3:57 am

Can you please help me or guide me on how to do these question ?
Thank you in advance.
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Re: Harmonic function

Postby shyamjayakannan » Mon Mar 16, 2026 10:42 am

For this function to be harmonic, [tex]\frac{\partial^2u}{\partial x^2}+\frac{\partial^2u}{\partial y^2}=0\Rightarrow6ax+12x=0\Rightarrow x(a+2)=0[/tex] and this is true [tex]\forall x[/tex]. So, [tex]\boxed{a=-2}[/tex].

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