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For the functions w=xy+yz+xz,x=3u+v,y=3uv, and z=uv, express uw and vwu ing t ...
For the functions w=xy+yz+xz,x=3u+v,y=3u?v, and z=uv, express ?u?w? and ?v?w?u ing the chain rule and by expressing w directly in terms of u and v before differentiating. Then evaluate ?u?w? and ?v?w? at the point (u,v)=(?32?,1)