Combinatorics

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Akash7
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Location: Dhaka

Combinatorics

Unread post by Akash7 » Thu Mar 15, 2018 10:48 am

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. :lol:

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samiul_samin
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Re: Combinatorics

Unread post by samiul_samin » 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.

Akash7
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Joined: Thu Mar 15, 2018 10:31 am
Location: Dhaka

Re: Combinatorics

Unread post by Akash7 » Tue Mar 27, 2018 4:11 pm

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.

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M. M. Fahad Joy
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Re: Combinatorics

Unread post by M. M. Fahad Joy » 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?
You cannot cross the sea merely by standing and staring at the water.

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samiul_samin
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Re: Combinatorics

Unread post by samiul_samin » Tue Mar 12, 2019 9:04 pm

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.

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