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Math Help - even or odd permutation

  1. #1
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    even or odd permutation

    plz help me with this

    examine whether the following permutation is even or odd

    1 2 3 4 5 6 7 8 9
    f=
    2 5 4 3 6 1 7 9 8
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  2. #2
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    Quote Originally Posted by chhatrashal View Post
    plz help me with this

    examine whether the following permutation is even or odd

    1 2 3 4 5 6 7 8 9
    f=
    2 5 4 3 6 1 7 9 8
    We can write this as disjoint cycles

    f=(1,2,5,6)(3,4)(8,9)=(5,6)(2,6)(1,6)(3,4)(8,9)

    Since there are 5 permutations it is odd

    Good luck.
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