I am not sure where to begin with a question like this: Question: Let A be an n * n matrix. Prove that A is singular if and only if lambda = 0 is an eigenvalue of A. Any guidance will be appreciated.
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Originally Posted by sparky I am not sure where to begin with a question like this: Question: Let A be an n * n matrix. Prove that A is singular if and only if lambda = 0 is an eigenvalue of A. Any guidance will be appreciated. Start with If you need more guidance, You will have to go the other direction after this too.
An alternative: Fernando Revilla
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