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    Thor55 i think if three points lie on a line. lets say ABC .. so the line AB and BC would have the angle 180 between them.. This was the same principle i applied. It also suggests the line are parallel but we had to proove this only right..
    Also i know the first question the eq was for normal... I got the gradient as -1.. so the normal's gradient wud be 1.
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    i totally screwd that one up, only really understood qs 1 n 2 :'( and it sounds that everyone else here whizzed it!!! dont reckon im off to ANY uni in sept, i messed it up that much
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    hard hard paper. no way i've got an A now for maths, given that i needed a good A on that paper. to me, that vectors question just seemed impossible, seemed as if we didn't have enough information or anything.

    left the whole of the 8 mark proving dx/dt stuff too.. and loads of my other stuff didn't work either.

    here's to hoping for low grade boundaries..
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    i got 7/2 or 2/7 for the gradient in question one, did anyone else get that?
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    Well _LUCE_ if u have solved the edexcel practice papers, then u wud find this paper piece of cake. Seriously the practice paper were very hard.. The compared to those was way easy... I think i just screwed the first question and the collinear bit. rest all was plain.. does anyone remeber the first question and how many marks it contained.?
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    well SMASHINGDUDE, i actually did do all of the edexcel practice papers, and solomon, and found i could generally work through them. and i'm not the only one on here saying it was hard??
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    (Original post by sbalian)
    i got 7/2 or 2/7 for the gradient in question one, did anyone else get that?
    yep i got that for a question, i think 2/7. and then it asked to find the normal so became -7/2 . might have been the other way round, i don't quite remember though.
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    (Original post by _luce_)
    well SMASHINGDUDE, i actually did do all of the edexcel practice papers, and solomon, and found i could generally work through them. and i'm not the only one on here saying it was hard??
    Dude, nothing was harder than c3! NOTHING!
    I need like probs 100% or 90% to get an A, but i bloody doubt that now, oh well...heres another one not going to uni.

    SUCH A **** FOR NOT RETAKING ANY MODULES...all i can do is beat myself up on results day.
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    well depends how u preceive. i found c3 way hard so thats why maybe i found this easier. anyway how many marks was the first question? i just wrote the wrong sign and ended up with y=x+1 .. the gradient came to -1 of the tangent. all screwed up cause one one damn sign..........
    how many marks will i loose?
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    i found c4 rly easy.half of the ppl from my skool found it easy, whilst the other half screwed up.i reckon the paper was of medium difficulty though.questions werent that tricky.
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    SO ****ING HARD i hope i get 60% somehow...prays
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    it woz a tough paper i needed 72 for an A nowhere near! i have to settle for a B or C! :eek:
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    I feel so stupid for making a stupid mistake. I got the ratios of those two vector lines as root 189 to root 84 (or the other way around) but I didn't simplify it any further. Oh well, it's only a mark or two probably. It seems I got the rest correct. The exam was definitely a lot harder than the practice ones I was doing but it wasn't impossible. I actually found the last few questions easier than the first few.
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    tough tough paper!!
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    That was definitely a hard paper. On the last question I stupidly quoted the volume of a sphere as 4/3 pi r cubed (even though the question was asking about a cube) - I just got lost. That and half the vectors question I messed up, but besides that I think I got most of the right stuff. I hope so anyway.
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    Hmm, it wasn't that terrible, definitely not as bad as C3. The first thing that made me stop and have a mini panic attack was the partial fraction because in all the past papers and exams I had done the A and B had always been an integer!
    Anyway, I couldn't do prove the parametric...it did not occur to me that sin(t+pi/2) i had to use the sin(A+B) rule! i pretended to get it with fiddling. Also i couldnt do the formation of differentail equation, did not realise that SA would be 6x^2... ahh also the last part, i got my C to be 3 but my t was 3 as well luckily... i guess two wrongs make a right!
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    Questions 1, 6 and 7 werent that bad, and maybe parts of the vector one too, but the others...
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    I thought the paper was ok (ish)...much better than c3 at least!! I managed to at least answer everything except the cartesian equation thing...couldnt for the life of me work that one out!!! Think i messed up the vectors question even though i did one just like it this morning! annoyingness

    Hopefully as s2 was ok too my marks will average out to an A...fingers crossed!
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    I thought the paper was ok (ish)...much better than c3 at least!! I managed to at least answer everything except the cartesian equation thing...couldnt for the life of me work that one out!!! Think i messed up the vectors question even though i did one just like it this morning! annoyingness

    Hopefully as s2 was ok too my marks will average out to an A...fingers crossed!
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    Here r some answers:

    The gradient for the normal was -7/2

    The binomial expanded as -1-x+4x^3 (A was -1.5 and B was 0.5)

    The value of the area of the graph (the one in the shape of a hump) was 12
    The volume was 9pi^2

    the ratio AP:PB was 2:3 or 3:2 (i dont remember correcctly)

    In the last question t was 3.
 
 
 

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