Please help!

Show that if A is Mn(C) is normal then Ax=0 if and only if A*x=0

Thank you!

Does this hold in general? I am not sure.

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- November 9th 2008, 08:09 PMbambyNormal matrix
Please help!

Show that if A is Mn(C) is normal then Ax=0 if and only if A*x=0

Thank you!

Does this hold in general? I am not sure. - November 10th 2008, 10:34 AMOpalg
Use the inner product: (now use the fact that A is normal).

The result is false in general, for example if .