Math Is Fun Forum

hotgal24

Member

Registered: 2008-01-12

Posts: 4

SO You think you are smart??Man Solve this =(

JaneFairfax

Member

Registered: 2007-02-23

Posts: 6,868

Re: SO You think you are smart??Man Solve this =(

Note that

Hence

So you solve

The answer is n = 143.

MathsIsFun

Administrator

Registered: 2005-01-21

Posts: 7,713

Re: SO You think you are smart??Man Solve this =(

And that IS smart.

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"The physicists defer only to mathematicians, and the mathematicians defer only to God ..."  - Leon M. Lederman

Zach

Member

Registered: 2005-03-23

Posts: 2,075

Re: SO You think you are smart??Man Solve this =(

According to what I've got here;
if n = 144
t = 9.999999999999995

And if n = 145, then t > 10.

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Boy let me tell you what:
I bet you didn't know it, but I'm a fiddle player too.
And if you'd care to take a dare, I'll make a bet with you.

Daniel123

Member

Registered: 2007-05-23

Posts: 663

Re: SO You think you are smart??Man Solve this =(

Very well done.

Last edited by Daniel123 (2008-02-21 09:23:04)

mathsyperson

Moderator

Registered: 2005-06-22

Posts: 4,900

Re: SO You think you are smart??Man Solve this =(

According to what I've got here;
if n = 144
t = 9.999999999999995

And if n = 145, then t > 10.

Rounding errors, presumably.
In any case, analytic answers are better than computed ones, where they're possible.

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Why did the vector cross the road?
It wanted to be normal.

Zach

Member

Registered: 2005-03-23

Posts: 2,075

Re: SO You think you are smart??Man Solve this =(

These are all lies.

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Boy let me tell you what:
I bet you didn't know it, but I'm a fiddle player too.
And if you'd care to take a dare, I'll make a bet with you.