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BubbleWrapMan

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=.=
« on: November 25, 2010, 07:45:04 pm »
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I can't do Ex 1E Question 9 (from the Cambridge spesh book), can anyone help?
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Tim Koussas -- Co-author of ExamPro Mathematical Methods and Specialist Mathematics Study Guides, editor for the Further Mathematics Study Guide.

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Re: =.=
« Reply #1 on: November 25, 2010, 07:53:26 pm »
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Can you post the question up and i'll write a solution and explanation for it.
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BubbleWrapMan

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Re: =.=
« Reply #2 on: November 25, 2010, 08:31:37 pm »
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Consider the sum Sn = 1 + x/2 + x^2/4 + ... + x^(n-1)/2^(n-1)
(a) Calculate S10 when x = 1.5
(b) (i) Find the possible values for x for which the infinite sum exists. Denote this sum by S.
(ii) Find the values of x for which S = 2S10.

ii is what I'm stuck on.

How do you guys write in that maths font-type-thing?
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Tim Koussas -- Co-author of ExamPro Mathematical Methods and Specialist Mathematics Study Guides, editor for the Further Mathematics Study Guide.

Current PhD student at La Trobe University.

BubbleWrapMan

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Re: =.=
« Reply #3 on: November 25, 2010, 09:06:12 pm »
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Argh fail. I just worked it out. >.<
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Tim Koussas -- Co-author of ExamPro Mathematical Methods and Specialist Mathematics Study Guides, editor for the Further Mathematics Study Guide.

Current PhD student at La Trobe University.

onerealsmartass

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Re: =.=
« Reply #4 on: November 25, 2010, 10:19:42 pm »
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wow your doing all three maths next year :) good luck
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BubbleWrapMan

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Re: =.=
« Reply #5 on: November 25, 2010, 10:53:57 pm »
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Thanks, I'll need it. :P It's pretty sad that I got stuck five exercises in. :/

But hey, you're doing spesh and methods, so you might as well be doing all three. xD Good luck yourself.
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Tim Koussas -- Co-author of ExamPro Mathematical Methods and Specialist Mathematics Study Guides, editor for the Further Mathematics Study Guide.

Current PhD student at La Trobe University.

mandy

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Re: =.=
« Reply #6 on: November 25, 2010, 10:58:49 pm »
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ClimbTooHigh, THREE MATH REPRESENT :P
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onerealsmartass

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Re: =.=
« Reply #7 on: November 25, 2010, 11:03:35 pm »
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Quote from: ClimbTooHigh on November 25, 2010, 10:53:57 pm
Thanks, I'll need it. :P It's pretty sad that I got stuck five exercises in. :/

But hey, you're doing spesh and methods, so you might as well be doing all three. xD Good luck yourself.
Quote from: ClimbTooHigh on November 25, 2010, 10:53:57 pm
Thanks, I'll need it. :P It's pretty sad that I got stuck five exercises in. :/

But hey, you're doing spesh and methods, so you might as well be doing all three. xD Good luck yourself.
Well after completing VCE i will have done 3 maths :) and wow your already doing spesh work for next year??
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BubbleWrapMan

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Re: =.=
« Reply #8 on: November 26, 2010, 05:32:39 pm »
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My school has a headstart program (I'm doing a week of yr 12 currently), but I would have started the work early anyway. I want to do as much math coursework as I can during the holidays, because I want to devote a lot of time to Music and English as well, and it makes the most sense to do maths at home, if anything. Plus I didn't do GMA so I could really use the time I have.
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Tim Koussas -- Co-author of ExamPro Mathematical Methods and Specialist Mathematics Study Guides, editor for the Further Mathematics Study Guide.

Current PhD student at La Trobe University.

onerealsmartass

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Re: =.=
« Reply #9 on: November 26, 2010, 05:56:56 pm »
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Quote from: ClimbTooHigh on November 26, 2010, 05:32:39 pm
My school has a headstart program (I'm doing a week of yr 12 currently), but I would have started the work early anyway. I want to do as much math coursework as I can during the holidays, because I want to devote a lot of time to Music and English as well, and it makes the most sense to do maths at home, if anything. Plus I didn't do GMA so I could really use the time I have.
yeah we get a 'headstart' thing as well, but ours is this week...
and we would only get the first chapters for homework, but i plan to do much more than that
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BubbleWrapMan

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Re: =.=
« Reply #10 on: November 26, 2010, 06:06:10 pm »
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It would be a good idea. When the year starts and you've done everything (or, a lot) you'll be seeing everything done twice, on top of the revision you'll be doing.
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Tim Koussas -- Co-author of ExamPro Mathematical Methods and Specialist Mathematics Study Guides, editor for the Further Mathematics Study Guide.

Current PhD student at La Trobe University.

onerealsmartass

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Re: =.=
« Reply #11 on: November 26, 2010, 06:08:45 pm »
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Quote from: ClimbTooHigh on November 26, 2010, 06:06:10 pm
It would be a good idea. When the year starts and you've done everything (or, a lot) you'll be seeing everything done twice, on top of the revision you'll be doing.
i hate learning stuff for the first time in class as well, i like having a bit of background knowledge.i hope i can learn most the content these holidays so next yr will be revision for the most part.
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