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AEA Preparation Thread 30 June 2017 Watch

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    (Original post by nathanmcg)
    Yesssss and p and q were 4 and 1 (or other way round) and y=6x-16 ???
    yeah and i got root2 for minimum value of PQ
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    (Original post by nathanmcg)
    In(4/3) - 4/15. Anyone for last part of question 6?
    I got ln(3/4) - 4/15, pretty sure it was that because I remember double checking the limits and getting ln(9/12) which then cancelled
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    (Original post by Lambo1999)
    I got ln(3/4) - 4/15, pretty sure it was that because I remember double checking the limits and getting ln(9/12) which then cancelled
    I got In(2) - In(3/2)
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    (Original post by nathanmcg)
    Yesssss and p and q were 4 and 1 (or other way round) and y=6x-16 ???
    Agreeing with all these answers! Yay!


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    (Original post by Lambo1999)
    I got ln(3/4) - 4/15, pretty sure it was that because I remember double checking the limits and getting ln(9/12) which then cancelled
    I got ln(4/3)-4/15


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    Did anyone manage to do the last part of the triangle question?


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    (Original post by Lambo1999)
    I got ln(3/4) - 4/15, pretty sure it was that because I remember double checking the limits and getting ln(9/12) which then cancelled
    You forgot must've forgotten the minus sign that was hanging outside the integral as In(3/2) - In(2) = In(3/4)
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    (Original post by LaurenLovesMaths)
    Did anyone manage to do the last part of the triangle question?


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    As soon as I read that question I skipped it 😂😂😂
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    (Original post by nathanmcg)
    I got In(2) - In(3/2)
    I ended up with ln(3/2) - ln(2), did you do [t=1/12] - [t=1/4]?
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    (Original post by nathanmcg)
    You forgot must've forgotten the minus sign that was hanging outside the integral as In(3/2) - In(2) = In(3/4)
    I didn't end up with a minus sign on the integral.... What were your partial fractions?
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    (Original post by Lambo1999)
    I ended up with ln(3/2) - ln(2), did you do [t=1/12] - [t=1/4]?
    I put x back in the integral and did it with 9 and 1
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    (Original post by Lambo1999)
    I didn't end up with a minus sign on the integral.... What were your partial fractions?
    No the integral in part b, the substitution was x+3=1/t so dx = minus 1/t^2 and the minus stays there throughout the integration.
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    (Original post by nathanmcg)
    No the integral in part b, the substitution was x+3=1/t so dx = minus 1/t^2 and the minus stays there throughout the integration.
    Ah okay, I'm pretty sure I cancelled that minus out somewhere but I'm not too sure now😂😂
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    (Original post by Lambo1999)
    Ah okay, I'm pretty sure I cancelled that minus out somewhere but I'm not too sure now😂😂
    You had the right numbers just different signs, defo get most the marks
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    Glad to see people in general enjoyed it. I'll post an unofficial mark scheme and predicted boundaries when I can get hold of the paper. If anyone has a copy they can get some pictures of and PM to me I can get started.
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    (Original post by A Slice of Pi)
    Glad to see people in general enjoyed it. I'll post an unofficial mark scheme and predicted boundaries when I can get hold of the paper. If anyone has a copy they can get some pictures of and PM to me I can get started.
    Thanks

    I have a question. I had 10 minutes left and well I might have doodled a bit at the end of the paper but I crossed it out. I was just drawing shapes because I checked over my paper 3 times!! Will i lose marks?
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    (Original post by Art of Deception)
    Thanks

    I have a question. I had 10 minutes left and well I might have doodled a bit at the end of the paper but I crossed it out. I was just drawing shapes because I checked over my paper 3 times!! Will i lose marks?
    Of course not. Don't worry.
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    Quick question: I have never sat an edexcel maths exam before at all, but my exams officer said that if there are any graph drawing questions to do it on edexcel graph paper, is that right? Or should I have drawn the sketches (I think it was Q5) just in my answer book?


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    (Original post by LaurenLovesMaths)
    Quick question: I have never sat an edexcel maths exam before at all, but my exams officer said that if there are any graph drawing questions to do it on edexcel graph paper, is that right? Or should I have drawn the sketches (I think it was Q5) just in my answer book?


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    I did question 5 on the Edexcel graph paper
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    (Original post by Art of Deception)
    I did question 5 on the Edexcel graph paper
    Phewww okay. It just didn't say anything on the question book about it that's all so I wasn't sure
 
 
 
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