If for R is class C² (2) in an open RCR and det (Df (x)) +0...

Question

Question

If for R is class C² (2) in an open RCR and det (Df (x)) +0 for all XER, then f is open.

Answer 1

Answer #1

Solution - Given, fin is class cind in an Open A CIR and det (RPC)]+0, xem Claim - f is open. Since, we have deal of (01) to

Answer 2

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