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    (Original post by nihaohy)
    How many marks will I lose if I

    1) for question 1b stated both a=6 and a=-5 forgot to reject the answer a=-5
    2) for question 2b messed up the range and stated that -rt5<x<rt5 instead
    3) for 6b messed up differentiation so got the wrong dy/dx but otherwise method of finding normal and stuff was right?

    Will I be able to get my A* in this paper? 🙇🏻


    Posted from TSR Mobile
    1) -2
    2) -2
    3) -3. You will get method marks though
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    What I'm wondering is the algebraic long division: somehow ****ed it up and am thinking I probably got 2 out of four marks in it. As I didn't really have time to go over it again I just used that answer, differentiated it, subbed in a value of x and got an equation of the normal with it. This answer will obviously be wrong because part a) is wrong but how much will that impact on part b) (part b) is six marks). I'm thinking maybe I at a push get 3 out of the 6 marks - maybe more, maybe less?
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    (Original post by particlestudent)
    How did that iteration question work? I kept getting two positive values
    modulus -2x -43
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    (Original post by particlestudent)
    How did that iteration question work? I kept getting two positive values
    I did up to x8, people saying to put it in the gradient function although it asked for the root not turning point.
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    anyone else still crying about that exam
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    How did you find the C3 Exam? Please vote !
    http://www.thestudentroom.co.uk/show....php?t=4178555
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    (Original post by Middriver)
    66-68 should be over 80 right?
    judging by poll results (didn't sit paper) that could well be over 90
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    (Original post by Pablo Picasso)
    modulus -2x -43
    Doesn't |xyz| always return positive?
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    (Original post by Middriver)
    66-68 should be over 80 right?
    Judging by the fact it was about as hard if not harder then last years paper I would have thought 66-68 would be around 92-94 UMS
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    How many marks was 3.c)??
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    (Original post by Yua)
    well, your feeling is emotion, which you're letting cloud your logic. 62 for an A is as low as it will go, A* will follow as usual.
    Excuse me, what?
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    How did people prove the trig question? Number 8
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    (Original post by eklok)
    anyone else still crying about that exam
    me, i think i'll fail my insurance choice as well..
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    (Original post by particlestudent)
    How did that iteration question work? I kept getting two positive values
    You know g(x)=bla bla bla

    You had to write out the formula: G(x) - (bla bla bla) = 0 then sub in the correct x values.
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    oh ffs all that preparation , only to lose stupid marks
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    Can someone remind me what question 5 was on?
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    people are all like 60 something for an A and i know im f_cked!
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    (Original post by Yua)
    well, your feeling is emotion, which you're letting cloud your logic. 62 for an A is as low as it will go, A* will follow as usual.
    (Original post by hkmt)
    Have a feeling A* will be around 63-4 for some reason. '13 was 57 and it was about the same level of difficulty tbf.
    It was 50/75 for an A in June 2013 though...
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    (Original post by Middriver)
    Doesn't |xyz| always return positive?
    you had to make g(x) = 0, |4e -25| -2x - 43 = 0
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    (Original post by Pablo Picasso)
    you had to make g(x) = 0, |4e -25| -2x - 43 = 0
    Ah right.
 
 
 
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