Let be defined by Is a well-defined ring homomorphism? If so, find its kernel and image.

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- May 6th 2009, 03:05 AMMaccamanRing homomorphism
Let be defined by Is a well-defined ring homomorphism? If so, find its kernel and image.

- May 6th 2009, 03:14 AMNonCommAlg
- May 12th 2009, 04:50 AMMaccaman
Thank-you for your help, but I'm still confused because I'm getting things mixed up. I'm having trouble seeing that is a well-defined ring homomorphism to start with. Could you show me why it is?? (Worried)