Edexcel A-level Pure Maths 2 - 12th June 2019 [Exam Discussion] Watch

Lemur14
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Edexcel A level Pure Maths 2
Here is the exam discussion for this exam. Talk anything from how to revise for it, specific questions or time management :ahee:
Date: 12th June
AM/PM:AM
Length:2h
Specification:https://qualifications.pearson.com/c...cification.pdf

Other Resources:
Formula Booklet: https://qualifications.pearson.com/c...mulae_Book.pdf
Sample Assessment Materials: https://qualifications.pearson.com/c...atics-sams.pdf
Maths Study Group (including many resources): https://www.thestudentroom.co.uk/sho....php?t=5747896
How to revise for the new specification: https://www.thestudentroom.co.uk/a-l...maths-new-spec
Maths Exam Thread Directory: To be added

:goodluck: with revision and exams :work: "
Last edited by Lemur14; 3 months ago
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a3112
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What topics were not included in Paper One?
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Ben-2000
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(Original post by a3112)
What topics were not included in Paper One?
I noticed there was no parametrics, Differential equations, connected rates of change and a few minor things like hidden quadratics etc.

I'm guessing you're thinking the same thing as me which is the stuff they missed will pop up on paper 2, but not necessarily. They can repeat topics quite easily and can ask literally anything from the entire two years, so try not to let your guard down by revising specific things only
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Mika7A*
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Here after P1:
“Ah sh*t here we go again”.
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chakshita
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Ahhh another paper
(Original post by Mika7A*)
Here after P1:
“Ah sh*t here we go again”.
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Notnek
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I’ve made a list of predicted topics for paper 2 here:

https://www.thestudentroom.co.uk/sho....php?t=5986794
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yungblood
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Thank you!
(Original post by Notnek)
I’ve made a list of predicted topics for paper 2 here:

https://www.thestudentroom.co.uk/sho....php?t=5986794
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Dr.Straw
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So are they actually going to test much on the as stuff or with the new spec has that pretty much been thrown out the window
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kkllookkkk
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what grade would about 60% be for that first exam?
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lilylalalulu
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(Original post by kkllookkkk)
what grade would about 60% be for that first exam?
hoping and parying an A, maybe B?
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Dr.Straw
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50 % for a B i'd go for and 60% for an A so you may scrape it.
(Original post by lilylalalulu)
hoping and parying an A, maybe B?
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kkllookkkk
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what are the chances of getting an A* after flopping this exam- ie getting 50-60%
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Dr.Straw
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Work on the principle that 70 a*, 60 A, 50 B, 40 C. So you'll need to recover hard in the other two papers
(Original post by kkllookkkk)
what are the chances of getting an A* after flopping this exam- ie getting 50-60%
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kkllookkkk
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(Original post by Dr.Straw)
Work on the principle that 70 a*, 60 A, 50 B, 40 C. So you'll need to recover hard in the other two papers
cheers, how did u findit btw
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JJJJJAAAAMES
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The marks to the questions and also some pictures of the questions. The pictures are not mine, they can be found from Student 1011


Q1 - express y as function x (3)
Q2 - jet trap rule (3+1) - https://imgur.com/Jmkh4l2
Q3 - Radian q (1+2)
Q4 - 2 circles / cartesian (6)
Q5 - Lim question with strange notation (3)
Q6 - Graph questions with 2 functions for g(x) (2+4+1+3)
Q7 - Soap factory question (1+3+1+2)
Q8 - Sigma questions (3+3)
Q9 - Exponential graphs (3+3+3)
Q10 - Vector question (2+2+2)
Q11 - https://imgur.com/E9JIUFF
Q12 - Proof for cot2x (4+4)
Q13 - Sphere and diff q (4+4+2)
Q14 - Int by sub q (6+2+7)
Last edited by JJJJJAAAAMES; 1 week ago
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JayrZ
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morelike 80 a*
(Original post by Dr.Straw)
Work on the principle that 70 a*, 60 A, 50 B, 40 C. So you'll need to recover hard in the other two papers
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solark
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You're a legend for doing this
(Original post by Notnek)
I’ve made a list of predicted topics for paper 2 here:

https://www.thestudentroom.co.uk/sho....php?t=5986794
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wajopdsjf
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how do u intergrate 1/(1-x^2)^3/2 using x =sin theta
(Original post by -andromeda-)
If anyone has any last-minute questions before the exam, feel free to ask - I'll help as best I can!
limits are x=1 and x=0

i cant get the answer because i get a math error on my calculator
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-andromeda-
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(Original post by wajopdsjf)
how do u intergrate 1/(1-x^2)^3/2 using x =sin theta

limits are x=1 and x=0

i cant get the answer because i get a math error on my calculator
That doesn't seem like a valid integral. The reason you're getting a math error is because at the limit x=1, that expression works out to be 1/0 which is undefined. If you wanted to solve this, you'd have to solve it as an improper integral. That's not on the maths spec.
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JayrZ
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x = sin(u)
dx= cosu
subbing in gives integral of : cosu du / (1-sin^2u)^3/2
cancelling the bottom using cos^2u = 1-sin^2u gives cosu / (cos^2u)^3/2
laws of indices mean we can re-write the bottom as (cos^2u)^3 ALL TO THE POWER OF 1/2
thus we have (on the bottom) (cos^6u)^1/2 thus that is cos^3u.
so cosu/cos^3u = 1/cos^2u which is sec^2u.
integral of sec^2u is tanu. thus rearrange x=sinu into u =arcsinx and sub in to the answer so u have tan(arcsinx) +c
(Original post by wajopdsjf)
how do u intergrate 1/(1-x^2)^3/2 using x =sin theta

limits are x=1 and x=0

i cant get the answer because i get a math error on my calculator
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