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    Which proofs do you need to be able to do for
    C1
    C2
    C3
    C4
    S1
    S2

    (under Edexcel)

    for example, you need to know the proof to work out the summation of a series for C1.

    Thanks
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    Probably the ones you did in class.. Just look over your notes!
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    If it's not in the formula book basically And even in some cases you can find it in other places just a slightly different format
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    Most of the formula are already given. However, it's more useful to know how to derive them as that'll aid your understanding and help 'em stick up there.
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    (Original post by naomi_s)
    Which proofs do you need to be able to do for
    C1
    C2
    C3
    C4
    S1
    S2

    (under Edexcel)

    for example, you need to know the proof to work out the summation of a series for C1.

    Thanks
    the only C1-4 proof that i'm aware of you need (for C1 specifically) is the proof of Sn=(n/2)(2a+(n-1)d)
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    (Original post by lmorgan95)
    the only C1-4 proof that i'm aware of you need (for C1 specifically) is the proof of Sn=(n/2)(2a+(n-1)d)
    I am sure that there is a Sn proof for C2
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    (Original post by Galileo Galilei)
    I am sure that there is a Sn proof for C2
    possibly, as i said, that's the only one i'm aware of.
    will be monitoring this thread though because i'd like to know too
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    (Original post by Jooooshy)
    Probably the ones you did in class.. Just look over your notes!
    My teacher likes to show us proofs for fun so I'm practically drowning in notes haha. Specifics would be very much appreciated
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    (Original post by naomi_s)
    My teacher likes to show us proofs for fun so I'm practically drowning in notes haha. Specifics would be very much appreciated
    If you look at the specification, it tells you when you are required to know how to prove something in an exam.
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    (Original post by ThatPerson)
    If you look at the specification, it tells you when you are required to know how to prove something in an exam.
    Ahh thank you! According to the specification the only proofs needed are for the summation of a series in C1 and C2. Significantly less than I thought then - thankfully!
 
 
 
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