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B Need help in permutations and combinations

  1. Jun 30, 2016 #1
    Hello,
    I face problems sometimes in identifying the maths of permutation and combination.Can anyone please tell me an easy way to identify quickly whether the math is about permutation or combination?
    Thank you,
    Shafia.
     
  2. jcsd
  3. Jun 30, 2016 #2

    jedishrfu

    Staff: Mentor

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