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Math Help - How do I prove/disprove this?

  1. #1
    Junior Member
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    How do I prove/disprove this?

    How would I go about proving or disproving the following. If you multiply any two odd numbers together then you will always get an odd number?
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  2. #2
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    (2m+1)(2n+1)=4mn+2m+2n+1=2(2mn+m+n)+1=2c+1
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  3. #3
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    Thanks Julius thats been buggin me all morning.
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