2016 Edexcel C2 Morning exam[discussion thread] Watch

mcfatty
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how did we find it all?

like the differentiation question?
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Hangk13
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What did everyone get when substituting their x value into the 2nd differential to show it was a minimum point? (very last question part e)

I got a really small decimal??
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ZacS
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couldn't do Q6 or 9 so i have lost like 20 marks anyone else the same?
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mcfatty
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(Original post by Hangk13)
What did everyone get when substituting their x value into the 2nd differential to show it was a minimum point? (very last question part e)

I got a really small decimal??
wat?

it wasn't small decimal....

x was 17m to the nearest meter what did you get?
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Notsoeasyaspie
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Please tell me I'm not the only one who found that an absolute nightmare.
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David_a
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#6
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For the question that said i cant use any graphical or numerixal method to solve, i used identities to find a form where i could factorise it. I did so and then found theta with the 180-theta +360n method. Will i get marks?
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Lairyfliquid
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that was rough. Couldn't do any of 9 and parts of 6- does anyone know if a mark scheme is coming up soon?
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Jsa999
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I got 17m too for x
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David_a
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I also got 17
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jovdawesome
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Such a sick paper
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musictagj
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Guys it asked for P not x, so 17 is wrong because you had to substitute in x=16.633 and then you get 120 to the nearest metre


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kewjing
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(Original post by mcfatty)
wat?

it wasn't small decimal....

x was 17m to the nearest meter what did you get?
Question asking for P as nearest cm so I think you need to sub the x value as 16.63...into original equation to find out P (I got 120) to nearest metre
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stephaniecheung
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(Original post by Hangk13)
What did everyone get when substituting their x value into the 2nd differential to show it was a minimum point? (very last question part e)

I got a really small decimal??

You had to put X back into the P equation and THEN substitute it into the 2nd differential
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Shqipron
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When does BTEC maths start?
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stephaniecheung
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#15
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i found the paper pretty good. I would say it's far more challenging than the past papers, but I found this pretty chill
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Leeteuk
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it was absolutely nightmare
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Reda2
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#17
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Did you guys get for the log question 0.47 or something? And for area of S where integrate with limits to get the area, one limit was 0 and I go 3 as the other limit, what did you guys get?
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AstarAstarA
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(Original post by Hangk13)
What did everyone get when substituting their x value into the 2nd differential to show it was a minimum point? (very last question part e)

I got a really small decimal??
0.4 something
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AstarAstarA
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(Original post by Reda2)
Did you guys get for the log question 0.47 or something? And for area of S where integrate with limits to get the area, one limit was 0 and I go 3 as the other limit, what did you guys get?
S = 24.3

it was 0 to 9
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jumana_meow
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#20
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hated it
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