find the first and second order partial derivatives for the
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Find the first and second order partial derivatives for the multivariate functionyf (x.y)=xy --+e"logy1)Find f (x,y)c3a)-+e21og,0c)y++"2)Find f(x,y)a)2-y+)-2+oyc)2g+-3)Find f (x,y)1ea)1++(In2)ylogycy+京-eo,