dF/dy=dF/du * du/dy +dF/dv *dv/dy =e^(u+v) * 0 +e^(u+v) * x =e^(u+v) * x Solution dF/dy=dF/du * du/dy +dF/dv *dv/dy =e^(u+v) * 0 +e^(u+v) * x =e^(u+v) * x.Read less