Construct an analytic function whose real part is ux y x25x

Construct an analytic function whose real part is u{x, y) = x^2-5xy^2+4y^3

Solution

u(x,y)=x2-5xy2+4y3

ux=2x-5y2

uxx=2

uy= -10xy+12y2

uyy=-10x+24y

clearly.uxx+uyy 0

i.e.. u is not harmonic..

thus no suvh analytic function exists..

 Construct an analytic function whose real part is u{x, y) = x^2-5xy^2+4y^3 Solutionu(x,y)=x2-5xy2+4y3 ux=2x-5y2 uxx=2 uy= -10xy+12y2 uyy=-10x+24y clearly.uxx+u

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