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13 Nov 2019
14. Suppose the function f(x,y) is trans- formed to F(u,u) by the change of vari- ables zuand y-2uo. Show that OF ou Ox Prove that if u9E-å-0, then /(z, y) is independent of a.
14. Suppose the function f(x,y) is trans- formed to F(u,u) by the change of vari- ables zuand y-2uo. Show that OF ou Ox Prove that if u9E-å-0, then /(z, y) is independent of a.
Jean KeelingLv2
29 Aug 2019