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Algebra

Titun's Avatar
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Joined: 23 Dec 2006
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30 Jan 2007 22:59:38 IST
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Puneet Bhaiya Bachao
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There are 6n tickets numbered 0,1,2........., 6n-1 placed in a bag & three of the tickets are drwan out. Show that the probability for the sum of the numbers on the tickets to be 6n is 3n / [ (6n-1)(6n-2) ]
 
Puneet Bhaiya, plz solve the above problem. I will be eagerly waiting for your reply.


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Titun's Avatar

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Joined: 23 Dec 2006
Posts: 374
31 Jan 2007 11:32:30 IST
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Puneet sir, I'm waiting for your reply
puneet's Avatar

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Joined: 19 Oct 2006
Posts: 1966
3 Feb 2007 18:10:40 IST
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yaaaaar
 
question to chil hi hai .. answer galta lag raha hai ..
 
favorable case mein to bas find the coeff of 6n in ( 1 + x + x^2 + ... + x^(6n-1) )^3
 
And total case are 6n choose 3 .. rite
 
par answer to ye nai aaega usese
 
just check it out . ??
 
cheers
 



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