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    • Thread Starter
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    Thanks Sam! We've got pretty much every paper + MS now =o

    ps mustve taken you ages to upload :eek:
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    Quick question

    find the gradiant when t=2 x=3t^2 Y=2t^3
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    find gradient when t=2 given x=3t^2 Y=2t^3

    any help appreciated
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    (Original post by kashif_k)
    find gradient when t=2 given x=3t^2 Y=2t^3

    any help appreciated
    view other thread
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    Is there a mark scheme for the mock paper? If so can someone upload it somewhere? (please )
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    i have just heard that graphical calculators are allowed. is this very neccessary for the exam? and if they are, is it worth me getting one this late?
    oh and how many people here plan to use a graphical calculator for this exam?
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    I find graphic calculators useful (C3 +S1), but it is not a necessity. I think only myself uses it in the whole school =| Not sure how useful it is in C4 though.
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    (Original post by Zuber)
    i have just heard that graphical calculators are allowed. is this very neccessary for the exam? and if they are, is it worth me getting one this late?
    oh and how many people here plan to use a graphical calculator for this exam?
    graphical calculators are allowed, i have one and will use it but theres not a whole lot of use for it in c4, except for checking answers (and storing formulae if you're inclined to cheat :rolleyes: )

    i wouldn't bother getting one this late for this exam

    i agree with wolf, c3 and s1 are the modules (which i've done so far) which it has been most useful for
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    thanks ppl!
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    btw, the zigzag markscheme link is wrong it is the same as the zigzag questions. Would it be ok if you can post up the MS when you got time

    cheersman
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    13:00 for some of us
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    (Original post by nas7232)
    btw, the zigzag markscheme link is wrong it is the same as the zigzag questions. Would it be ok if you can post up the MS when you got time

    cheersman
    Shud be ok now.
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    :cheers:
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    Does anyone know if there is a mistake in the Solomon Mark Scheme for Paper A C4?

    On question 5 it has a trapezium rule table:

    x: 0; 0.5; 1; 1.5; 2
    y: 0; 1.716; 1.472; 1.093; 1.083

    The formula is y = 4x1/2e-x

    Whenever I try x = 2, I get 0.7656 for y and not 1.083.

    Can anyone confirm this as an error or back up the mark scheme?

    Or is there just something wrong with my calculator.
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    does anyone have the mark schemes for the C4 MOCK paper PLEEEESSEE?
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    No. No-one seems to have it.

    There are plenty of other papers out there. Why not do one of these?
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    can you please help me with question 5 on the c4 mock paper..i get for no1..

    5.1) dy/dx= -2cos2t/sint

    2) t= - pie/4 and + pie/4

    please help with cd n e and also let me know please if these 2 are correct
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    (Original post by Econ4m1t)
    can you please help me with question 5 on the c4 mock paper..i get for no1..

    5.1) dy/dx= -2cos2t/sint

    2) t= - pie/4 and + pie/4

    please help with cd n e and also let me know please if these 2 are correct
    5a)

    dy/dx = dy/dt / dx/dt
    = -2cos2t/ -sint

    c) just means dy/dx = 0
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    thanks...can you explain d and e to me
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    Samdavyson, it's an error in the mark scheme, there was a thread where several ppl decided on this.
 
 
 
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