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Mega A Level Maths Thread MK II watch

1. (Original post by DJMayes)
Fixed the quote. I don't see any reason why not, although it may well be less than currently. Either way, I have to get there first!
If you don't make it, there's not much hope for the rest of us mortals
thanks anyway
Sorry man, and no problem (its not set in stone yet, and check my new post if you want info on how an A is determined)
3. (Original post by Robbie242)
Sorry man, and no problem (its not set in stone yet, and check my new post if you want info on how an A is determined)
Will do.
4. (Original post by joostan)
For hidden quadratics a friend of mine insisted on using the union jack
Haha - as if I'd give you such an easy problem
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I'm kidding
lmao, ahh I look forward to it, I hope I can solve it! I'll probably boast for the rest of the year if I can lols
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Genuinely intrigued

Will do.
No worries, still a good UMS score, it will defo be near an A so you can work harder next year to increase your average! Good luck
5. (Original post by tigerz)
lmao, ahh I look forward to it, I hope I can solve it! I'll probably boast for the rest of the year if I can lols
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Genuinely intrigued
What about a cheeky warm up?
6. Just worried what my parents will say on the day LOL.
7. (Original post by joostan)
If you don't make it, there's not much hope for the rest of us mortals
I don't know. I feel reasonably strong at STEP now (Managed 6 full solutions in an hour to a mock earlier) but I also feel that there are a fair few users here equal to or stronger than I am mathematically.
8. I think I might actually bother finishing Fermats Last Theorem now, I have nothing to do apart from repetitive fp1 and the odd question I can attempt to grasp from felix
9. (Original post by DJMayes)
I don't know. I feel reasonably strong at STEP now (Managed 6 full solutions in an hour to a mock earlier) but I also feel that there are a fair few users here equal to or stronger than I am mathematically.
6 in an hour???!
*gulp*
That's not even funny
The most I've done is about 7/8 in 3 hours.
I get the feeling. Felix and LotF are rather off putting
10. (Original post by joostan)
What about a cheeky warm up?
I feel tempted, Salters is ruining chem for me Only if you promise it will take me less than an hour lols
Just worried what my parents will say on the day LOL.
Depends what type of parents honestly :P My mum went insane when I got a few B's and C's at GCSE Lol, along with my A*'s in media but those don't really matter.

If they are likely to get disappointed, I'd just tell them now tbh, to either add shock value to if the results come out good, or to ensure they don't lose their **** on the day.
12. (Original post by tigerz)
I feel tempted, Salters is ruining chem for me Only if you promise it will take me less than an hour lols
I can't make any such promises

(Original post by Robbie242)
I think I might actually bother finishing Fermats Last Theorem now, I have nothing to do apart from repetitive fp1 and the odd question I can attempt to grasp from felix
Prove that: is irrational?
13. (Original post by joostan)
Prove that: is irrational?
*shamefully searches for the definition of irrational*

I'll give it a go, oh ok so it can't be written as a fraction, seems simple enough
14. (Original post by Robbie242)
*shamefully searches for the definition of irrational*

I'll give it a go
15. (Original post by joostan)
I can't make any such promises

Prove that: is irrational?
LOL, so I have to prove that its a surd or w/e with no calculator right?

Its irrational if it cant be written as a fraction right?
16. (Original post by tigerz)
LOL, so I have to prove that its a surd or w/e with no calculator right?
Your calculator won't prove it's a non-terminating decimal
17. (Original post by DJMayes)
I don't know. I feel reasonably strong at STEP now (Managed 6 full solutions in an hour to a mock earlier) but I also feel that there are a fair few users here equal to or stronger than I am mathematically.
My god! I should just walk away before even trying as I'd not be able to compete against your ability, let alone enough to get a 2 or even a 3 :-/ Its all starting to look like a dream again.
18. (Original post by joostan)
Your calculator won't prove it's a non-terminating decimal
*sighs* is this the right idea :P?

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19. (Original post by tigerz)
Its irrational if it cant be written as a fraction right?
Can't be written as the ratio of two integers.
E.g is an irrational fraction

(Original post by tigerz)
*sighs* is this the right idea :P?

That doesn't help much.
Play around for a bit, and if you're not getting anywhere I'll give you a hint
20. (Original post by joostan)
I can't make any such promises

Prove that: is irrational?
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Assume the cube root of 5 is rational. Then we can write:

where a and b are integers in their simplest form

Clearly, a must be divisible by 5. This then means that the RHS has 3 factors of 5, and so the b must be divisible by 5. But then the fraction a/b can be simplified (indefinitely), which is a contradiction and so the cube root of 5 must be irrational.

(Original post by joostan)
6 in an hour???!
*gulp*
That's not even funny
The most I've done is about 7/8 in 3 hours.
I get the feeling. Felix and LotF are rather off putting
I have a lot of spare time.

(Original post by MathsNerd1)
My god! I should just walk away before even trying as I'd not be able to compete against your ability, let alone enough to get a 2 or even a 3 :-/ Its all starting to look like a dream again.
I'm sorry, I didn't mean to put anyone off. Besides, it's not a competition.

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