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August 26th, 2012, 05:03 AM   #1
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Demonstration help

Prove that the 1979 first algarisms after the comma, of the number , are all algarisms 9.

*Sorry, maybe there's a grammar error, this is a direct translation from portuguese.
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August 26th, 2012, 05:40 AM   #2
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Re: Demonstration help

I don't know the word "algarisms".
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August 26th, 2012, 05:59 AM   #3
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Re: Demonstration help

Sorry, edit:

Prove that the 1979 first digits after the comma, of the number , are all algarisms 9.
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August 26th, 2012, 06:01 AM   #4
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Re: Demonstration help

Prove that the 1979 first digits after the comma, of the number , are all algarisms 9.

Why can't I edit my posts?
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August 26th, 2012, 06:05 AM   #5
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Re: Demonstration help

"algarisms" is not an english word.
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August 26th, 2012, 06:08 AM   #6
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Re: Demonstration help

Quote:
Originally Posted by mathbalarka
"algarisms" is not an english word.
Yep, i forgot to change the second one. Sorry, again...

Prove that the 1979 first digits after the comma, of the number , are all algarisms 9.
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August 26th, 2012, 06:10 AM   #7
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Re: Demonstration help

Yep, i forgot to change the second one. Sorry, again... [2]

Prove that the 1979 first digits after the comma, of the number , are all digits 9.

I can't edit(or even delete) my old posts.
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August 26th, 2012, 06:14 AM   #8
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Re: Demonstration help

Quote:
Originally Posted by Fingolfin
I can't edit(or even delete) my old posts.
You can't edit your posts until you have at least 25 posts.

You can't delete you posts if you are not a moderator.

Balarka

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August 26th, 2012, 06:24 AM   #9
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Re: Demonstration help

Quote:
Originally Posted by Fingolfin
Prove that the 1979 first digits after the comma, of the number , are all digits 9.
To be honest, I don't understand what you want to ask.( I observed that has large numbers of 9's in the later terms of the decimal places of the number).

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August 26th, 2012, 07:51 AM   #10
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Re: Demonstration help

I found the source of the Problem.

Sidney Technical highscholl (1996):

i) Explain why is a even number.

ii) Show that

iii) Hence or otherwise prove that the first thousand digits after the decimal point in the value of are all 9's.
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