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    Permutations/Combinations Question

    From exercise 10H of Cambridge Q 22.(a) A poker hand of five cards is dealt from a standard pack of 52. Find the probability of obtaining (a) one pair (b) two pairs Thanks.
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    Accelarators

    I understand we need to know about the sunchrotron, cyclotron and linac but do we need to know about the Van de Graaff accelarator (mentioned in many texts, but seems rather obsolete in terms of "ways physicists use accelarators to continue to develop their understanding of matter")?
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    Sums to products, products to sums

    Are we required to memorise them for the exam, or will memorising them just be a waste of time?
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    Frontline - number of episodes?

    How many do you have to analyse? Do you have to know them all just in case or only two specifically? My teacher thinks you have to be ready for an exam question which asks for two specific episodes...
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    "Isms"

    Can someone please help me understand the following terms with reference to Hamlet and RAGAD: determinism existentialism humanism post-modernism Thanks
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    CSSA Past Papers

    Anyone know how/where to get the last 10 years of CSSA Past Trial Papers? Thanks.
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    Options

    Which scales more - Quanta to Quarks or Astrophysics?
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