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  1. W

    Permutation question help.

    Yeah in combinations circle questions you never deduct a person from the group. That's permutation. But yeah when 9C3, 3 are chosen randomly, you need to take into account on how they are arranged.
  2. W

    Permutation question help.

    Yeah there you go, I got it right. You're WELCOME
  3. W

    Permutation question help.

    No, you do care how they are arranged. BUT 9C3 because you don't care how it's arranged, remember. Combination, you don't give matter into how they are ordered. but if they are in circle, you gotta times 2 factorial because they can be arranged in 2 ways. NOT 3 FACTORIAL, but 2 since they are...
  4. W

    Permutation question help.

    No no its 9C3 x 2factorial. Because 2 factorial because when you fix a person in the table, there will be only 2 people left and that could be arranged. The 9 people could be arranged randomly
  5. W

    Permutation question help.

    8P3 x 3factorial, I think
  6. W

    Prelim 2015 Chit Chat Thread

    Does anyone have Moving About topic exams, I'm only finding half yearlies???
  7. W

    Memorising techniques.

    What are some way you guys remember your stuff? Is it reading your notes 30 minutes before you sleep? Or asking questions to your notes, in order to understand further? List some of the ways!
  8. W

    Prelim 2015 Chit Chat Thread

    I'm up to Permutation and Combination.
  9. W

    2015ers Chit-Chat Thread

    So 1984 is just a story about what it was like in 1984? Is it hard to read btw? Planning to do some light reading
  10. W

    2015ers Chit-Chat Thread

    Is the book 1984 any good?
  11. W

    Prelim 2015 Chit Chat Thread

    How the hell are some of you up to Perms and Combs and here's me up to Linear Functions
  12. W

    Prelim 2015 Chit Chat Thread

    Belonging. So interesting
  13. W

    Prelim 2015 Chit Chat Thread

    For Circle Geometry, just do a lot of practice questions. Apply the theorems, and you'll be alright
  14. W

    Prelim 2015 Chit Chat Thread

    I have always been motivated by the quote "Go hard or go home". Today my mate told me "Go hard or go home bro!", and I told him I wanted to go home. So much work for all 5 subjects...
  15. W

    Prelim 2015 Chit Chat Thread

    Me bro! Chemistry has been fun, though I was a bit sad when I accidentally broke a flash into pieces when I was doing this fractional distillation experiment. Maths has been boring doing in Math in Focus questions, English has been a bit of a mind-opener about belonging LOL. Bro, if you play...
  16. W

    Prelim 2015 Chit Chat Thread

    I got an assessment for English also, so I'm a bit demotivated because I don't have any money...
  17. W

    Prelim 2015 Chit Chat Thread

    Find what motivates you!! For me it's spending money on trash material. Finish an assessment? Spend money on these babies
  18. W

    Prelim 2015 Chit Chat Thread

    Is anyone signing up for extracurricular activities? I signed up for Volleyball, Soccer and table tennis regional sports
  19. W

    Prelim 2015 Chit Chat Thread

    @Ambility , Math in Focus is a bit unpopular along with the Mathematics textbook crew because it's a bit too simple and basic
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