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Math Help - algebra

  1. #1
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    algebra

    for every fraction a,b a*b=3ab

    what is the identity element for *
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  2. #2
    Behold, the power of SARDINES!
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    Quote Originally Posted by slntennis1 View Post
    for every fraction a,b a*b=3ab

    what is the identity element for *
    What does it mean to be an identitiy. Here is a hint let e be the identity. Then a*e=a and e*a=a
    for all a. Write this out and see what happens.
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