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# MAT Prep Thread - 2nd November 2016 watch

1. Incredibly pedantic question:
Is the sequence 1, 1, 1, 1, ..., 1 an arithmetic sequence, a geometric sequence, or both? Essentially what I'm asking is that are d ≠ 0 and r ≠ 1 conditions for APs and GPs?
2. (Original post by RuairiMorrissey)
Solve what?
Dw thanks though
3. (Original post by ShatnersBassoon)
Incredibly pedantic question:
Is the sequence 1, 1, 1, 1, ..., 1 an arithmetic sequence, a geometric sequence, or both? Essentially what I'm asking is that are d ≠ 0 and r ≠ 1 conditions for APs and GPs?
It's both.
4. (Original post by ShatnersBassoon)
Incredibly pedantic question:
Is the sequence 1, 1, 1, 1, ..., 1 an arithmetic sequence, a geometric sequence, or both? Essentially what I'm asking is that are d ≠ 0 and r ≠ 1 conditions for APs and GPs?
You could argue it's both or neither (just a bunch of ones), but I guess both makes a bit more sense.
5. [QUOTE=Nonamebzja;68315928]
(Original post by joodaa)

Not really a method felt like cheating i just saif F(x)=X^2 so f(x) must equal 2t cuz when u integrate that between x and 0 it equals X^2
And dy/dx of X^2 is 2x which is f(x)-f(0) [subbing values in 2t f(x)]
Are you sure this is correct?
Using your method iii could also be correct.

If you use f(t)= 2t + 4 then I got the answer to be iii. Please check?

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6. [QUOTE=Nonamebzja;68315788]
(Original post by theaverage)
I feel like this ones very obvious but please could someone explain

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I got f(x)-f(0) was that answer?
No, the derivative of is f(x). This is the fundamental theorem of calculus.
7. (Original post by theaverage)
I feel like this ones very obvious but please could someone explain

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is the answer a?
8. [QUOTE=DFranklin;68319852]
(Original post by Nonamebzja)
No, the derivative of is f(x). This is the fundamental theorem of calculus.
so is the answer c?
9. [QUOTE=DFranklin;68319852]
(Original post by Nonamebzja)
No, the derivative of is f(x). This is the fundamental theorem of calculus.
Oops 🙈
10. [QUOTE=theaverage;68319810]
(Original post by Nonamebzja)

Are you sure this is correct?
Using your method iii could also be correct.

If you use f(t)= 2t + 4 then I got the answer to be iii. Please check?

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Yeh true i was stupid sorry about that amd even using X^2 both i and iii work didnt notice
11. hey, is there anyone applying to maths and philosophy?
12. (Original post by testy99)
hey, is there anyone applying to maths and philosophy?
Yes
13. [QUOTE=DFranklin;68319852]
(Original post by Nonamebzja)
No, the derivative of is f(x). This is the fundamental theorem of calculus.
Right, thanks

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14. (Original post by theaverage)
I feel like this ones very obvious but please could someone explain

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Did this come from a past paper or a mock?
15. (Original post by RuairiMorrissey)
You could argue it's both or neither (just a bunch of ones), but I guess both makes a bit more sense.
How would you argue it's neither?
16. (Original post by testy99)
hey, is there anyone applying to maths and philosophy?
Me too. which a levels did you take? ive taken maths, FM and chem
17. Is this an acceptable answer for 2015 2 part iv or have I made a wrong assumption in line 4
Attached Images

18. Hello have done all papers of MAT from 07-15. Any other papers (1 or 2) I can do ?
19. I'm going to have a day off, watch a movie tonight. No point in doing lots of work today.

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20. [QUOTE=Mystery.;[url="tel:68319898"]68319898[/url]]
(Original post by DFranklin;[url="tel:68319852")
68319852[/url]]

so is the answer c?
Yup. Suppose f integrates to F. Then the integral is equal to F(x)-F(0) where F(0) is a constant. Differentiating with respect to x gives f(x).

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