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Math Help - Megsss Student

  1. #1
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    Talking Megsss Student

    Hi! I'm a 6th grade megsss student and I really don't understand a part of my homework. It asks us to determine which has a neutral element. For those that do, tell if it's invertible. here's an example:

    a) (W,+)

    They also want us to ( for the elements that are invertible ) to determine which has more than one inverse. plz people i need an answer!!!!!!!!!!!!!!!!!!!
    Last edited by ~*GoGreenIsTheWord*~1996; September 14th 2008 at 03:05 PM. Reason: Need an answer!!!!!!!!!!!!!
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  2. #2
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    Quote Originally Posted by ~*GoGreenIsTheWord*~1996 View Post
    Hi! I'm a 6th grade megsss student and I really don't understand a part of my homework. It asks us to determine which has a neutral element. For those that do, tell if it's invertible. here's an example:

    a) (W,+)

    They also want us to ( for the elements that are invertible ) to determine which has more than one inverse. plz people i need an answer!!!!!!!!!!!!!!!!!!!
    I can steer you to a discussion of the identity (neurtal element) of your set W with respect to the binary operator *. All you need to do is change the binary operator to +.

    Identity element - Wikipedia, the free encyclopedia

    This next discussion should help you determine which has more than one inverse and therefore, invertible.

    Inverse element - Wikipedia, the free encyclopedia

    I hope this helps.
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