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Combinatorics
Posted: Thu Mar 15, 2018 10:48 am
by Akash7
How many pairs of natural number can be formed whose LCM will be 7000?This problem has been taken from bdmo regional contest. As I am a new learner,please help me solving the problem in detail.
Re: Combinatorics
Posted: Sun Mar 25, 2018 7:04 pm
by samiul_samin
I think this problem should be posted @ divisional math olympiad forum.
You can get in depth solution of this problem at the book "A path to combinatorics for undergraduates " by Titu andresscu.You can easily get the pdf version of that book.
Re: Combinatorics
Posted: Tue Mar 27, 2018 4:11 pm
by Akash7
The problem is solved for ordered pairs in your suggested book.But I want the solution for the unordered pairs.Detailed help will be much appreciated.
Re: Combinatorics
Posted: Tue Apr 03, 2018 6:47 pm
by M. M. Fahad Joy
samiul_samin wrote: ↑Sun Mar 25, 2018 7:04 pm
I think this problem should be posted @ divisional math olympiad forum.
You can get in depth solution of this problem at the book "A path to combinatorics for undergraduates " by Titu andresscu.You can easily get the pdf version of that book.
Has there any Bangla book?
Re: Combinatorics
Posted: Tue Mar 12, 2019 9:04 pm
by samiul_samin
M. M. Fahad Joy wrote: ↑Tue Apr 03, 2018 6:47 pm
samiul_samin wrote: ↑Sun Mar 25, 2018 7:04 pm
I think this problem should be posted @ divisional math olympiad forum.
You can get in depth solution of this problem at the book "A path to combinatorics for undergraduates " by Titu andresscu.You can easily get the pdf version of that book.
Has there any Bangla book?
No,not Bangla version of this book is available.