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    116π/3ln3 for last question?
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    I got k as 4
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    That last question was a bit of an annoyance. Got 13pi/ln3. Other than that paper was standard. What did others think?
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    (Original post by anonwinner)
    Barely had enough time to do Q9, I nearly missed it!
    Is there Q9 srsly?
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    Please come and Vote at
    http://www.thestudentroom.co.uk/show....php?t=3407637
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    (Original post by ninetail9990)
    wasn't y=+-4
    +- 16/5


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    (Original post by anonwinner)
    Barely had enough time to do Q9, I nearly missed it!
    Funny
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    After seeing these answers Im slowly seeing my A* slip away, what did people do for the second part of the differential equation question?
    I subbed in p= 4000, then tried to solve for t, but my sin2t was greater then one so I didn't get an answer and left it that. Hopefully only lost 2/3 marks.
    And what did people get K to be for the area under the curve question?
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    (Original post by infinitytheory)
    I did the same thing ;-;
    so angry cos apart from that the paper was easy
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    (Original post by Tina.Shaban)
    Would the answer for years be in radians or degrees? Wouldn't it depend on the species of animal and how fast they reproduced
    radians, i think. I did a past paper with a similar question where you lost a mark for using degrees.
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    (Original post by urz13)
    I got K as 2 - took 4 out of the equation as a factor, however it was still rooted giving 2 as the constant
    yep but it was multiplied by 2cos, so k was 4?
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    (Original post by joe1545)
    Not easy enough to have 72 for an A* though, Im thinking standard boundaries of 70 for an A* 65 for an A
    I would predict 63 for A, 69 for A*, 75 for 100UMS. Paper was not easy enough for 72 A*.
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    K was 4 not 2 soz
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    How did everyone find it?? I'm not really sure, I ran out of time and got some strange answers... Vectors question was quite nice though (7.46 for distance???) What do you think the grade boundaries will be? I reckon 60 for an A
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    (Original post by Valkyrian)
    I can't remember. I think I got something like root3/2 + 4pi/3 :/ don't know. Anyone else? Obviously we got something similar.

    Hoping my mistakes were a minimal .. need around 97 UMS to counter my terrible c3 exam.
    good i got 4pi/3 as well. At least we're in the same boat ^_^
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    Pretty sure it 4 brev. There was the 2 from outside the brackets and a 2 from dx=2costheta dtheta
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    I got k as 4 too. I thought it was kinda difficult overall

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    Am I the only one who struggled A LOT?
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    (Original post by joe1545)
    After seeing these answers Im slowly seeing my A* slip away, what did people do for the second part of the differential equation question?
    I subbed in p= 4000, then tried to solve for t, but my sin2t was greater then one so I didn't get an answer and left it that. Hopefully only lost 2/3 marks.
    And what did people get K to be for the area under the curve question?
    K was 2
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    (Original post by dominicwild)
    When you say only fully answered 3, do you mean that you didn't even attempt all the parts of the other remaining question? o.o

    The part I found difficult was coming to a correct answer. There was a lot of messing to be done to get the correct answers. So I expect to missed a lot of answer marks.
    I only fully answered 3 questions, the rest i got part a but couldnt do b or c, or i couldnt find a so i couldnt do b even though i knew the method. And i totally agree with it being difficult to come to a correct answer, im pretty sure most of my answers were wrong so im hoping for method marks xD
    The only one i didnt attempt was the vectors one. I did half of the dot formula for part c and thats it.
 
 
 
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