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        riddles >> medium >> no of path ...
        
(Message started by: nehal.bandi on Jul 23^rd, 2007, 12:36am)

Title: no of path ...
Post by nehal.bandi on Jul 23^rd, 2007, 12:36am

in a ractangle of m*n how many paths of minimunmun length are possible from one point to digonally opposite point .

_ _ _ B
|_|_|_|
|_|_|_|
|_|_|_|
A this is a 3*3 rect.

Title: Re: no of path ...
Post by Grimbal on Jul 23^rd, 2007, 12:46am

Ask Pascal...

Title: Re: no of path ...
Post by nehal.bandi on Jul 23^rd, 2007, 11:20pm

who is pascal .?

Title: Re: no of path ...
Post by Grimbal on Jul 24^th, 2007, 12:53am

Pascal is a famous mathematician who is known among others to have discovered the binomial factors and arranged them in a triangle. His name stuck with the idea even though it was known long before him.

http://en.wikipedia.org/wiki/Pascal%27s_triangle

Title: Re: no of path ...
Post by towr on Jul 24^th, 2007, 1:01am

on 07/23/07 at 23:20:50, nehal.bandi wrote:

who is pascal .?

You never heard of Blaise Pascal?
He's very famous for his triangle; and also for a certain wager. The programming language Pascal is also named in his honour.

Title: Re: no of path ...
Post by jollytall on Jul 24^th, 2007, 4:14am

In the following link we left the interesting pieces open though:

http://www.ocf.berkeley.edu/~wwu/cgi-bin/yabb/YaBB.cgi?board=riddles_easy;action=display;num=1176807329