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Math Help - Question on Composition of Two Relations

  1. #1
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    Lightbulb [Solved] Question on Composition of Two Relations

    ### Thanks for moving this thread to "Discrete Mathematics, Set Theory and Logic" ###

    For the following question, I think the answer should be (d). The yellow highlighted area shows my working steps.

    But someone told me that it shoud be (e) instead. I wonder if there is any mistake in T。S and your advice will be much appreicated.

    Last edited by pozat; December 27th 2009 at 06:19 AM. Reason: solved
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  2. #2
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    Yes, that's exactly what I get.
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  3. #3
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    Quote Originally Posted by HallsofIvy View Post
    Yes, that's exactly what I get.
    The one who got different answer has just rectified his choice to (d). Together with your confirmation, now I have confidence to go ahead.

    Thanks ~


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