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# OCR MEI AS Mathematics Core 1 13/05/2013 watch

1. (Original post by whez)
what number question was the (16a^12)^3/4 one??
I think it was question 3, but i'm being really derpy today so?
2. (Original post by whez)
what number question was the (16a^12)^3/4 one??
It was question 3 ii
3. Weird to know this but I think it's 3 part 2

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4. Someone start a core 2 thread for Friday!?

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5. (Original post by krishkmistry)
Someone start a core 2 thread for Friday!?

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done
6. (Original post by krishkmistry)
The rearranging bit - did anyone put the square root as positive because r was greater than 0 ?

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7. I did, i talked to a few friends and they seemed confused
8. ahh i think i somehow read '12' as a letter 8b^3/4 god sake haha, oh well hopefully i will get one mark?!

Also for the very last question I put them equal to each other , then equal to zero, put the discriminant =0 and got K^2 - 6k = 0 so found k to be 0 or 6 . Did anyone else get this?!
9. Yes! *punches fist in air*

I felt that this paper was so easy and cool as opposed to January! XD
10. Yea I did but i was doubting myself haha
11. Anyone remember question two? It was a intersection question between two lines.
12. Yay

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13. (Original post by Magenta96)
done

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14. For the very last question, did people get k=0 or k=4?

Thanks
15. You know the intersection question in question 10? (The first section B question ) Will you get away by writing that x=3root16 rather than 12? I wrote it last minute and my friend told me it simplified to 12? :/

I don't wanna lose that mark
16. Was the binomial expansion 5c3*4*64 which gives -2560
17. (Original post by Sun_Bear)
what did you guys get for the minimum value of y?
I think I got -7? had 3((x-1.5)^2 -7/3) so when multiplied out it was 3(x-1.5)^2-7
Or something to that effect, may have forgotten the exact numbers in the middle but definitely ended up with -7
18. (Original post by jojo19apr)
I think I got -7? had 3((x-1.5)^2 -7/3) so when multiplied out it was 3(x-1.5)^2-7
Or something to that effect, may have forgotten the exact numbers in the middle but definitely ended up with -7
Yes it was -7. I got that too.
19. (Original post by Alan786)
Was the binomial expansion 5c3*4*64 which gives -2560

Yeah, that's what I got.
20. (Original post by krishkmistry)

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