I have attached a problem here and my attempt-
peobelm asks me to then identify quotentient group G/Ker (phi) up to isomorphism, I have found the kernel but not sure about Image.
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You have correctly found the kernel i.e. Now, if then, there exists such that . This implies . Could you continue?
Not really as I have tried looking on net and my struggles are clear. If you can show me this time around I'll be comfortable with similar problems if you don't mind☺thanks
I think it's R+ but don't know how to mathematically get there
Originally Posted by mathslearner I think it's R+ but don't know how to mathematically get there It is the unit circle . If then, for some i.e. we can express
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