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Edexcel Core 3 - 21st June 2016 AM Watch

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    Can anyone remember the marks for each question?
    I remember the last one was 9, but if anyone could tell me that would be great xox
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    (Original post by TheBillPN)
    My reaction to the sad news that i did it wrong:
    Haha, yeah I think I did it pretty differently to most people so don't take my working as the only way by any means but I think my answers match up with the ones others have discussed so it's one way of doing it.
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    Does anyone know how many marks 1a and 1b were worth individually?
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    (Original post by victoria98)
    Anyone know what an A* is usually?
    usually 68/75
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    Was anyone able to prove that the root of g(x) was α=1.473 to 3dp?
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    Defo harder than last years paper so u reckon itll be less than 59 for an A?
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    (Original post by TheBillPN)
    My reaction to the sad news that i did it wrong:
    Yeah, as the other poster said you could also do it using polynomial division and then simplification of the fraction.

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    (Original post by jamessmith15)
    no chance of 64 for an a*, its never been that low
    Mate, it was 57 in '13.
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    Anyone have a photocopy of the paper and an unofficial mark scheme they can send to me considering Arsey isn't doing them anymore?
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    (Original post by celecia01)
    2 marks
    Cheers.
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    (Original post by Pablo Picasso)
    83-84
    Really ? So A* would be like 71/75 ish
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    (Original post by 83457)
    For question 4a (the one with the modulus graph), for y = 0, I wrote x = 0.5ln(6.25), not noticing that 6.25 can be rooted to 2.5. How many marks was that? Will I get full marks for that one, or do those questions typically require a simplified answer?

    Also, how did people find that compared to the June 2015 and June 2013 paper? Those are the ones I didn't do for prep, so I can't judge
    Definitely easier than the 2015 paper
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    I split into 2Cos2x/Sin2x and used to Cos^2x - Sin^2x for cos double angle, along with dividing and simplifying the Sin double angle. Have a try? It should work.
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    the long division way
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    (Original post by itsarchie)
    Was anyone able to prove that the root of g(x) was α=1.473 to 3dp?
    Yeah you do use the equation 4e2x - 25 - 2x - 43. That would give you an a positve and negative answer. Around -0.08 and 0.08 i think it was.
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    (Original post by Doyle2K)
    Anyone have an idea of what the boundary for an A* will be like?
    (Original post by victoria98)
    Anyone know what an A* is usually?
    69-70
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    (Original post by Snasher350)
    Really ? So A* would be like 71/75 ish
    100% doubt that, it'll be similar to last year.

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    could someone tell me what the question was for 4b please?
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    (Original post by Snasher350)
    Really ? So A* would be like 71/75 ish
    No it would certainly not be 83 ums for 67/68

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    (Original post by Snasher350)
    Really ? So A* would be like 71/75 ish
    around 70/69
 
 
 
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