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HSC 2013 Maths Marathon (archive) (4 Viewers)

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Shazer2

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Re: HSC 2013 2U Marathon

Well I thought you'd let the sum of geometric series = 2/3, but I don't know number of terms or x. I got this far:



Yeah. If you give n, it's solvable I think.
 
Menomaths

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Re: HSC 2013 2U Marathon

Shazer2 said:
Well I thought you'd let the sum of geometric series = 2/3, but I don't know number of terms or x. I got this far:



Yeah. If you give n, it's solvable I think.
Click to expand...
I think he wanted us to use limiting sum?
 
Shazer2

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Re: HSC 2013 2U Marathon

In that case,

 
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mahmoudali

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Re: HSC 2013 2U Marathon

what else would you use though
it writes +..... and i didnt write last term....
sy < me :D
 
Sy123

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Re: HSC 2013 2U Marathon

mahmoudali said:
what else would you use though
it writes +..... and i didnt write last term....
sy < me :D
Click to expand...
I don't know what foreign mathematics you are going by

But in this country when we use ..... we mean infinite series
 
Sy123

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Re: HSC 2013 2U Marathon

dat fail

holy crap
 
Menomaths

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Re: HSC 2013 2U Marathon

RealiseNothing said:
wat?
Click to expand...
Sy123 said:
yea lol there is no solution to the question you get ln(x) = -1, which is beyond even the 4U syllabus
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mahmoudali said:
what else would you use though
it writes +..... and i didnt write last term....
sy < me :D
Click to expand...
So confused...Who to listen to =.=
Moey's out of the question so it leaves with realizenothing and sai =/

jkjk moey i can see you're good at maths :) (relative to me at least)
 
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