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Find was in terms of uxx

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Reference no: EM131035862

Let w(s,t)=u(2s+3t,3s-2t) for some twice differentiable function u=u(x,y).

(a) Find was in terms of uxx, uxy,and uyy (you can assume that uxy=uyx)

(b) Suppose uxx+uyy=0. For what constant A will was=Awtt?

Reference no: EM131035862

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