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    i dont think i remember 7, remind me of it. But for 8)a) i got 1/4[(root3)-1] and for b) you just times that by Pi
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    My 7 was 648 or something like that.
    My AY was 21.9ish too.
    Can't remember my 8, but i think it was similar to Moa's.
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    If you tell me how to post solutions using some kind of application, ill do it for you.
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    (Original post by keeranj)
    does anyonr remember question 7 , 8
    area as 229,644,900
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    (Original post by hussam1992)
    i dont think i remember 7, remind me of it. But for 8)a) i got 1/4[(root3)-1] and for b) you just times that by Pi
    go back a page I posted the paper already -.-'
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    (Original post by ojpowermake)
    My 7 was 648 or something like that.
    My AY was 21.9ish too.
    Can't remember my 8, but i think it was similar to Moa's.
    Q.7 was the parametric equations one, if so, then i got the same answers as you and im pretty sure they are right
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    Q2, c), (ii) did anyone get 64ln2 instead of the 4ln2?
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    hmm all i knw is i dropped 8 marks already!
    couldnt integrate the last Q even tho it was soo easy. just had to turn it into a sec(squared) nd integrate grrr
    and i couldnt do the diffrentiation question. hopefully i got evrythin else right.
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    (Original post by ojpowermake)
    Q2, c), (ii) did anyone get 64ln2 instead of the 4ln2?
    no. you shouldnt get that; (one question im sure about )
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    are you sure about your Q.2)c)ii) i think i got 1/4[(64ln2)-15] cuz its x squared.
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    (Original post by Anonymous0155)
    no. you shouldnt get that; (one question im sure about )
    I also got 64ln2 instead of 4ln2 cuz its x squared. Im also pretty sure its right :P
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    btw Anonymous0155 i cant read your answer for 8)b)
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    nvm i can it says 16Pi :P well i think it should be 16Pi times your answer to part a)
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    Hello there, how did you find the c4 paper?

    anyone make an unofficial solution paper?

    thanks!
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    (Original post by hussam1992)
    are you sure about your Q.2)c)ii) i think i got 1/4[(64ln2)-15] cuz its x squared.
    yup your right. i got that as well.
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    I think, the answer on the previous page for Q2, C), (i) is spose to be 0.5x^2 lnx - 0.25x^2 + C
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    (Original post by hussam1992)
    btw Anonymous0155 i cant read your answer for 8)b)
    I couldnt do 8. Moa put up the paper.
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    how many marks will i lose for 8)b) for only multiplying the answer by Pi instead of 16Pi?
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    (Original post by ojpowermake)
    I think, the answer on the previous page for Q2, C), (i) is spose to be 0.5x^2 lnx - 0.25x^2 + C
    I concur.
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    (Original post by hussam1992)
    are you sure about your Q.2)c)ii) i think i got 1/4[(64ln2)-15] cuz its x squared.
    yyh thats what i got
 
 
 
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