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# OCR (non mei) C4 Friday 24th June 2016 watch

1. (1/144)e^2 anybody?
2. (Original post by Abscissa)
(1/144)e^2 anybody?
I believe that's the accepted answer. I must have made an arithmetic error somewhere... So stupid.
3. 70 in C3 and 64 in C4 should get me an A* right? Annoyed that I made some silly errors today....
4. What exactly was question 2 and 3 anyone? Like the actual question.
5. anyone remember the implicit differentiation q?
6. (Original post by duncant)
would you get full marks for not multiplying by x^2 or -1 mark?
I Think -1
7. (Original post by TheNicholas)
I Think -1
Why would it lose marks? The answer's still correct just in an alternative form, right?
8. (Original post by tobybes)
70 in C3 and 64 in C4 should get me an A* right? Annoyed that I made some silly errors today....
will 67 in core 3 and 61 in core 4 get me an A*?
9. (Original post by duncant)
would you get full marks for not multiplying by x^2 or -1 mark?
I'd be surprised if you dropped a mark, it's still correct

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10. Overall was quite a difficult paper, but I found what really made it worse was the time management, especially for question 9
11. on the markscheme, the integration by substitution q is only worth 6 marks, not 7.
12. (Original post by tobybes)
70 in C3 and 64 in C4 should get me an A* right? Annoyed that I made some silly errors today....
Very likely.

(Original post by Rory1995)
will 67 in core 3 and 61 in core 4 get me an A*?
Very likely.
13. These grade boundaries will be my only shot at uni
A* 5/72
A 1/72
B -3/72
14. wheres the community mark scheme at?
15. i really dont recognise that implicit differentiation answer...
16. Neither do I, if anyone knows question 2 and 3 please post it.
17. (Original post by tmoss99)
Why would it lose marks? The answer's still correct just in an alternative form, right?
I think there will be a simply mark
18. When drawing the graph on question 9 did we need to include the entire graph or the graph between limits of t?
19. (Original post by _asha_)
Can anyone remember how to get the Cartesian equation in question 9?
I got 2x^3 - 6x^2 + 5x but i don't think its right
thats what i got, and values of minimum points were consistent between the two forms

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