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# OCR C2 exam Wed 25th May

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1. how did everyone find this paper?
2. What were the answers for the last question which had the sin graph
3. (Original post by hakig)
20.3
No. It was 20.4 cm mate
4. (Original post by chemdude112)
Anyone else get last question x =1/3a pi and x = 4/3a pi ? Thought it seemed too simple for four marks
Yes I put 60 degrees and 240 degrees instead of in radians, how many marks will I lose ?
5. (Original post by Christie_xx)
What the actual **** was question 9?!

Anyone else get a =5/3?
yeah the whole paper was fine until that last question i didn't know what to do!
6. (Original post by student199919)
yeah the whole paper was fine until that last question i didn't know what to do!
what was the last question on?
7. (Original post by samm 0)
how did everyone find this paper?
fine until the last question. can we all try making a markscheme together from what we remember?
8. (Original post by TeeEm)
what was the last question on?
the sin(ax) question
9. (Original post by _Orion_)
What did people get for N with the arithmetic and geometric series?

Posted from TSR Mobile
N=12
10. From the top of my memory these were the questions : 1.Find ab (2) ii. Find bc (2)2. 54 in radians (2)ii. Find r (3)3. Binomial (4)ii. Coefficient (2)4. Single log (2)ii. Log=2 (4)5. Integrate (3)ii. Find a (4)iii. Infinity to 0 (1)6. Arithmetic (3)ii. Geometric (2)ii. Find N (6)7. Remainder, quotient (3)ii. 3 linears (3)iii. Differentiate (2)Iv. Area under curve (4)8. Translation (2)ii. Stretch (2)iii. Sketch exponential curve (3)iv. Logs (3)V. Trapezium (4)9. Period (1)ii. Find a and X (3)iii. Tan = root 3 (3)
Attached Images

11. (Original post by abrahammurciano)
N=12
i think i got something like 38, i'm probably wrong
12. (Original post by student199919)
the sin(ax) question
graphs?
13. (Original post by student199919)
i think i got something like 38, i'm probably wrong
I got 38 too
14. (Original post by student199919)
i think i got something like 38, i'm probably wrong
I got 38 and 38 is correct as I checked it. Anything less than 38 didn't work.
15. (Original post by student199919)
i think i got something like 38, i'm probably wrong
I got 38 point something then rounded it up to 39!
16. (Original post by student199919)
i think i got something like 38, i'm probably wrong
38 is correct.
17. everyone please add in so we can make one on a document or somethig, but this is what i remember and i got
10cm, 5.4 something? for first
two was 3pi/10 and radius 20.4cm
third question was expanding (3+kx)^3 then k in part 2 was +/-1/root3 i believe

four was logs logbase 3 (x^2/x+4)
then x=12 i think
five was integration dont remmeber values
5bii was 4
6 k was 91, n was 38 cant remember part ii
7 was x^2-4x+3 and roots -1 1 and 3
and integrated it between 3 and 1 think answer was 512/15 or something
8 was transltion +2, then stretch 1/9 in y, sketch graph and x for y=180 was x=6.something?
9 was 2pi/a, a=5/3 and k=root3/2 and i think last part was x=pi/3a and 4pi/3a
18. (Original post by SGHD26716)
I got 38 and 38 is correct as I checked it. Anything less than 38 didn't work.
oh ok thanks!
19. that's right
20. (Original post by student199919)
i think i got something like 38, i'm probably wrong
i got 38 i think youre right

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Updated: May 25, 2016
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