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AQA A2 MFP2 Further Pure 2 – 24th June [Exam Discussion Thread] Watch

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    (Original post by Barbecuetime123)
    6sqrt3 + something arcosh2 + 5
    Well **** I got the constant wrong
    Lol
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    (Original post by C0balt)
    Well **** I got the constant wrong
    Lol
    What the
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    (Original post by Barbecuetime123)
    What the
    I cannot end an exam without silly arithmetic errors apparently
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    (Original post by C0balt)
    I cannot end an exam without silly arithmetic errors apparently
    What did you get for tye constant, i think in got 1
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    Alright exam, i just couldn't finish 3b and 8a. Friend told me how to do 8a, but can anyone show me how they did 3b, i seperated the integral and got arctanhx for one term, but didn't have time to find a method to integrate the 2nd part.
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    How did everyone find it ?
    I thought it was very difficult!
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    (Original post by Roxanne18)
    How did everyone find it ?
    I thought it was very difficult!
    I thought it was slightly harder than last year.. I'm hoping the boundaries will reflect that
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    (Original post by Qcomber)
    What did you get for tye constant, i think in got 1
    I got 1 too. I'm not confident though my friend got 5 too
    Could you do the induction?
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    realised how to do q3b the moment i got in the car afterwards + didnt have enough time to do the last two in 8 properly but other than that i think it was ok ?? can anyone remember how many marks 3b was worth ?
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    (Original post by what-urrp)
    realised how to do q3b the moment i got in the car afterwards + didnt have enough time to do the last two in 8 properly but other than that i think it was ok ?? can anyone remember how many marks 3b was worth ?
    6 big boy
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    (Original post by C0balt)
    I got 1 too. I'm not confident though my friend got 5 too
    Could you do the induction?
    No, that induction question was digusting. When i saw it i thought wtf is this??
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    (Original post by Barbecuetime123)
    6 big boy
    thought it was a lot. how annoying :/
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    Well that was lovely, I had literally no sleep last night but found it completely fine, easier than 2014/15 I think.

    Pretty sure I've got 75 since I spammed every tool on my calculator to check all my answers thoroughly for half an hour lol.
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    50/609

    hyperbolic integration: 6root2 + 3cosh^-1x+5

    root3pi/18

    any familiar?
    also, was the minimum value of argw 2pi/3?
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    (Original post by IrrationalRoot)
    Well that was lovely, I had literally no sleep last night but found it completely fine, easier than 2014/15 I think.

    Pretty sure I've got 75 since I spammed every tool on my calculator to check all my answers thoroughly for half an hour lol.
    Same :P Although may have dropped a few method/explanation marks somewhere.


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    (Original post by tanyapotter)
    50/609

    hyperbolic integration: 6root2 + 3cosh^-1x+5

    root3pi/18

    any familiar?
    also, was the minimum value of argw 2pi/3?
    Yeah those are all right


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    (Original post by jjsnyder)
    Same :P Although may have dropped a few method/explanation marks somewhere.


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    Nah I reckon you've got 75/75 .
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    If anyone wants to know how the induction went:

    (1+p)^1 \geq 1+p obviously, so base case established.

    Assume (1+p)^k \geq 1+kp. Clearly we need to multiply by 1+p and we can do so without changing the sign of the inequality because p\geq -1\Rightarrow 1+p \geq 0.

    Therefore (1+p)^{k+1} \geq (1+kp)(1+p)=1+p+kp+kp^2=1+(k+1)p  +kp^2 \geq 1+(k+1)p, since p^2 \geq 0, k \geq 1 \Rightarrow kp^2 \geq 0.

    Therefore result holds for n=k+1 and by induction we have result.
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    (Original post by Qcomber)
    No, that induction question was digusting. When i saw it i thought wtf is this??
    Idk how many marks I'd lose for the constant :/
    Yeah I stared it for like 15 mins I couldn't work it out
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    What was 3b about that everyone's talking about?
 
 
 
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