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    I was just wondering if anyone could tell me the proofs we need to know for edexcel C1 C2 and S1 maths because I'm not sure if I have learnt them all.

    Thanks in advance


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    Please help anyone


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    (Original post by alexandraa)
    I was just wondering if anyone could tell me the proofs we need to know for edexcel C1 C2 and S1 maths because I'm not sure if I have learnt them all.

    Thanks in advance


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    They should all be in your Specification
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    (Original post by joostan)
    They should all be in your Specification
    Yeah it's just my teacher taught us quite a few and I don't know if I should be learning them or not because according to the spec I only need to know sum of an arithmetic series for c1??

    Thanks


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    (Original post by alexandraa)
    Yeah it's just my teacher taught us quite a few and I don't know if I should be learning them or not because according to the spec I only need to know sum of an arithmetic series for c1??

    Thanks


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    That sounds about right. Geometric series are C2 aren't they?
    Differentiation's not required either. . . If it's not on your spec, you don't need to know it, but it's nice to know
    EDIT: What's with the neg
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    tbh C1 is nothing Sn formula, proof x= -b +- b^ [quadratic formula]

    C2 geometric series

    Tomorrow C1 will be Average Paper
    C2 is gonna be a Killlllllllllllllller
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    (Original post by joostan)
    That sounds about right. Geometric series are C2 aren't they?
    Differentiation's not required either. . . If it's not on your spec, you don't need to know it, but it's nice to know
    Yeah thanks a lot


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    (Original post by TheGoldenRatio)
    tbh C1 is nothing Sn formula, proof x= -b +- b^ [quadratic formula]

    C2 geometric series

    Tomorrow C1 will be Average Paper
    C2 is gonna be a Killlllllllllllllller
    Yeah c2 will be hard cos the jan paper was super easy!



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