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    Anyone else get 7.37 for Q2, B) ?

    And Q3, C) as 2x+3y-pi=0?
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    (Original post by sulexk)
    Hello there, how did you find the c4 paper?

    anyone make an unofficial solution paper?

    thanks!
    I found it pretty easy tbh (even though i did a silly mistake on 8)b)) and i cba to do the exam again, but i can solve a question or 2 for you.
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    8b - any ideas on the correct answer?

    thank you!
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    (Original post by ojpowermake)
    Anyone else get 7.37 for Q2, B) ?
    Yeah i think youre right, it was 7.something (i found another silly mistake how many marks do i lose for not writing the answer to 2dp?)
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    (Original post by ojpowermake)
    Anyone else get 7.37 for Q2, B) ?

    And Q3, C) as 2x+3y-pi=0?
    I think you got 3)c) wrong cant remember the right answer, but i definitely didnt get -Pi for C
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    (Original post by hussam1992)
    I think you got 3)c) wrong cant remember the right answer, but i definitely didnt get -Pi for C
    i remember get a gradient as -2/3 i think i got that to
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    i think i got -2pi for c
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    (Original post by sulexk)
    8b - any ideas on the correct answer?

    thank you!
    For 8)b) you would times your answer for part a) by 16Pi
    I got 8)a) as 1/4[(root3)-1] so b) would be 4Pi[(root3)-1]
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    (Original post by raag11)
    i think i got -2pi for c
    Yeah i think i got that also
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    Will there be an unofficial markscheme, some time later this evening or by tomorrow morning, usually then it is much more easier to deduce whether marks were gained/lost.

    thanks!
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    (Original post by ojpowermake)
    Anyone else get 7.37 for Q2, B) ?

    And Q3, C) as 2x+3y-pi=0?
    2b is right

    there was a 2pi there somewhere. cant remember exactly
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    any ideas for the last part of the vector question
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    hey there

    what did you guys get for the area of the loopy thing? Question 7 i think. I got 324 but does it have to be doubled??

    And also the length of vector AY i got 29.7 or 27.9 something like that??
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    (Original post by keeranj)
    i remember get a gradient as -2/3 i think i got that to
    yeah grad was -2/3
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    who releases the unofficial mark scheme? is it a teacher that does it nd posts it up or sumthing?
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    (Original post by Anonymous0155)
    2b is right

    there was a 2pi there somewhere. cant remember exactly
    it was 2x+3y-2Pi=0
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    (Original post by hussam1992)
    I think you got 3)c) wrong cant remember the right answer, but i definitely didnt get -Pi for C

    Yer i got it wrong. Went insane and used pi/3 instead of pi/6 when working out tangent, darn.
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    anyone for the last vector question? and the area of the loop?
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    (Original post by sulexk)
    any ideas for the last part of the vector question
    yeah you shouldve drawn it and used the sin or cosine law/rule to get:

    (AY/sin90)=(4root26)/sin(90-angle of feta)

    you had cos feta = 19/25

    cant remember how i solved it exactly, but i think it was either 21.7 , 27.9 , 27.1 or 29.7 (sry for not being precise)
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    I can remember getting 7614/something

    for Q(7) but I cannot recall the denominator, sorry

    thanks!
 
 
 
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