Edexcel A2 C3 Mathematics 12th June 2015 Watch

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_bindra
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#2401
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#2401
(Original post by HappyHumanist)
I did a reverse proof thing for the identity question (I multiplied by the denominator, and then again) and managed to get the LHS. Do you think I'd be credited for this?
Yes, it doesnt matter whether you approach from LHS or RHS, as long as you prove it.
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rsayanthan
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#2402
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#2402
(Original post by Half Crazy)
Asymptote for second graph was y=5, I think?
Naa. there is no asymptote becuase the unreflected parof the graph goes through y=5. an asymptote is where a curve does not intersent but gets closes to it so yh
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xyzmaster
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#2403
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#2403
(Original post by lilminster)
You need A*'s in both C3 and C4 to get an A* overall
You need an average. Not 90 each.
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Legendboy123
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#2404
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#2404
WOW!! EASIEST PAPER EVER! AM I RIGHT GUYS?!?!



Spoiler:
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Said no one.
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Drakton15
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#2405
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#2405
(Original post by Maths degree)
What was the co ordinates of A in the iteration question ?
(3.1, 13.9)
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emu_neutrino
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#2406
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#2406
(Original post by mahatma ghandi)
no. you're wrong lol
i got -4e^-4 which is around -0.7 and (1/8)e^-1 which is about 0.3 i think?
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saycheese:)
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#2407
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#2407
(Original post by Melkor111)
How many marks was the last question? I somehow missed the whole question out. FML!
quite a number of people missed the last one as well
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Half Crazy
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#2408
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#2408
How the hell do you prove 8a
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Jemy
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#2409
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#2409
(Original post by Ripper Phoenix)
Wait for arsey guys 👍🏻


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He might even struggle....
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kayleighprowen
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#2410
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#2410
(Original post by johann von gauss)
nobody said you called them any names, and my facts do seem to be straight.
i didn't **** them off then did i you fool
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Drakton15
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#2411
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#2411
(Original post by rsayanthan)
Naa. there is no asymptote becuase the unreflected parof the graph goes through y=5. an asymptote is where a curve does not intersent but gets closes to it so yh
It is an asymptote, and you still needed to draw and label it.
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_bindra
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#2412
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#2412
(Original post by Maths degree)
What was the co ordinates of A in the iteration question ?

x - 3.something
y - 13.something
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blueynuey1
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#2413
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#2413
Please vote on poll:

http://strawpoll.me/4609429
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Melkor111
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#2414
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#2414
(Original post by saycheese:))
quite a number of people missed the last one as well
Was it a long question? It sounds at least 6-8 marks.
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Devran22
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#2415
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#2415
(Original post by LukeTownsend123)
Attachment 426171This is what I got, people agree?
Same as you apart form number 9b and c
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kprime2
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#2416
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#2416
(Original post by LukeTownsend123)
Attachment 426171This is what I got, people agree?
Yep, got the exact same answers as you! except for the f(x) for the cubic. I don't remember getting negatives

although for the last part of the last question, I differentiated again and showed that the second derivative is greater than 0, therefore it's a decreasing function
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Leonacatherine
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#2417
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#2417
(Original post by piercy42)
so...seems ill be redoing some maths exams next year, no way am i settling for my insurance choice just bc a paper killed me
I did that last year and it's honestly the best decision! The year goes so quickly you appreciate going to uni more you mature and you solidify your maths knowledge

So many of my friends rushed into clearing and hate their unis resitting honestly isn't as bad as everyone makes out x
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isherwood22
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#2418
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#2418
An asymptote isn't necessarily something that it doesn't pass through - lines can intersect asymptotes so y=5 was still an asymptote as it tended towards that in the negative bit

oops, someone already said that!
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Elolel
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#2419
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#2419
(Original post by chrissy96x)
so in june 2013 it was a*57 a 50 b 43 c 36 d 30 e 24

what do you guys think of this paper in comparison to june 13?
The june 2013 paper I guess was equally hard! Grade boundaries should be similar
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rachelc142
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#2420
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#2420
extremely hard but think I've done well.
Will post a proof of the trig question in a bit if you want.

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