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Edexcel Core 3 - 21st June 2016 AM

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Avatar for Yua
Yua
14
well, your feeling is emotion, which you're letting cloud your logic. 62 for an A is as low as it will go, A* will follow as usual.
Original post by Middriver
66-68 should be over 80 right?


Yes
What was the question from the acosecby answer? 5ii??
Original post by Pablo Picasso
ahahahahhahahaha



I am so pissed. I just stomped my calculator to ****
what was 3c worth? with finding the smallest value of theta?
@Arsey what did you think about the paper difficulty
Original post by metrize
@Arsey what did you think about the paper difficulty


Arsey is dead
How did that iteration question work? I kept getting two positive values:angry:
Original post by 0 1 2 3
What was the question from the acosecby answer? 5ii??


aCosec(by) ?

I got a=1/2 and b=4
Original post by nihaohy
How many marks will I lose if I

1) for question 1b stated both a=6 and a=-5 forgot to reject the answer a=-5
2) for question 2b messed up the range and stated that -rt5<x<rt5 instead
3) for 6b messed up differentiation so got the wrong dy/dx but otherwise method of finding normal and stuff was right?

Will I be able to get my A* in this paper? 🙇🏻


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1) -2
2) -2
3) -3. You will get method marks though
What I'm wondering is the algebraic long division: somehow ****ed it up and am thinking I probably got 2 out of four marks in it. As I didn't really have time to go over it again I just used that answer, differentiated it, subbed in a value of x and got an equation of the normal with it. This answer will obviously be wrong because part a) is wrong but how much will that impact on part b) (part b) is six marks). I'm thinking maybe I at a push get 3 out of the 6 marks - maybe more, maybe less?
Original post by particlestudent
How did that iteration question work? I kept getting two positive values:angry:


modulus -2x -43
Original post by particlestudent
How did that iteration question work? I kept getting two positive values:angry:


I did up to x8, people saying to put it in the gradient function although it asked for the root not turning point.
Reply 1713
Avatar for eklok
eklok
1
anyone else still crying about that exam
How did you find the C3 Exam? Please vote !
www.thestudentroom.co.uk/showthread.php?t=4178555
Original post by Middriver
66-68 should be over 80 right?


judging by poll results (didn't sit paper) that could well be over 90
Original post by Pablo Picasso
modulus -2x -43


Doesn't |xyz| always return positive?
Original post by Middriver
66-68 should be over 80 right?


Judging by the fact it was about as hard if not harder then last years paper I would have thought 66-68 would be around 92-94 UMS
How many marks was 3.c)??
How did people prove the trig question? Number 8

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