Assume that z = f(w), w = g(x,y), x=4r³-s², and y = re. If g (4,1)=-4, g,(4,1)=2, f'(7)= -2, and g(4,1)= 7, find the following dz dz and dr r=1,s=0 dsr=1, s=0 dz dz and or r=1,s=0 dsr=1,s=0 Calculate dz dr

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