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forum.virtualchallengemeets.com • View topic - fibonacci thingies

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fibonacci thingies

What could be so hard. It's a multiple-choice test for Pete's sake.
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fibonacci thingies

Postby toadoncart » Thu Apr 29, 2010 6:02 pm

has anybody ever found out to do these problems:

Find 1/(1*1)+1/(1*2)+1/(2*3)+1/(3*5)+1/(5*8)+....
or another one: 5/(3*5)-5/(5*8)+5/(8*13)-5/(13*21)+5/(21*34)-....

and there's some corny problems like: The first fibonacci terms are 1,1,2,3,5,8,.... what is the 10th lucas number? What the crap do they have in common?
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Re: fibonacci thingies

Postby 88bobcat » Thu Apr 29, 2010 6:54 pm

[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula]

[unparseable or potentially dangerous latex formula]
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Re: fibonacci thingies

Postby toadoncart » Thu Apr 29, 2010 9:32 pm

#2.....cool!
#1.....is there a general formula? i hate typing up this crap on my calculator everytime i'm taking a test.
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Re: fibonacci thingies

Postby 88bobcat » Fri Apr 30, 2010 10:38 am

[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula]

[unparseable or potentially dangerous latex formula]
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