Alright, I know how to show an annihilator is an ideal. I have a been working on these next problems for a bit, trying to see if I'm close

1. If , show that

2. Show that

Thanks for any input guys.

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- Nov 21st 2009, 12:45 PMsfspitfire23Ring Ann
Alright, I know how to show an annihilator is an ideal. I have a been working on these next problems for a bit, trying to see if I'm close

1. If , show that

2. Show that

Thanks for any input guys. - Nov 21st 2009, 06:47 PMtonio