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Mathematics 21 Online
OpenStudy (anonymous):

let f(u,v,w) be a (smooth) function of three variables and let g(r,s) = f(r-s,r+s,rs). a. Show that if (0,2,1) is a critical point of f, then (1,1) is a critical point of g

OpenStudy (anonymous):

I need to see if I'm correct on this problem i'm working on

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