The reason behind creating this discussion note , is to keep main contest note clean, the main contest note is getting overcrowded with discussion comments.

Feel free to discuss about problems here.

Here is a link of the contest note.

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## Comments

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TopNewestCan someone post a formal, rigorous solution to Q5?

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Well , I am also not getting that one :(

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Solution posted by lakshya sinha is wrong as well as the answer . I am posting the next question (6) and the answer of this question (5)

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sure ...

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This is the hardest branch of maths I think

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What does Spagnoletti mean when writing "there are only 2 solutions which are s + r = p"? What is s and what is r and what is the equation we are supposed to be solving? (Since the first is assumed correct for all x if I am reading it right)

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Apparently I am just dumb, because I don't understand the next one either - a^x+b^x=2^y 1^1+3^1=2^2 a≠b

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Yes probably it is positive integers other than 1. @Sharky Kesa please reply and change the problem title to EPP set 3 #1

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I will ask this question to him in the main note itself as I am not able to tag him.

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Everybody please note that , this season is soon going to end...after @Svatejas Shivakumar' s Extra Parti.Prob. set 3 gets solved....Next season will be more interesting ! Brilliant Advanced NT Contest. All the previous contestants take this note.....

@Sharky Kesa , @Shivam Jadhav , @Harsh Shrivastava , @Alex , @Ankit Kumar Jain

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So soon? Anyways thank you everyone for making this contest a grand success. Had great fun.

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Thanks for contributing...:) second season will be more interesting and good hope you will enjoy it. Alex and Svatejas...

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Thank you for the contest. It has been a fantastic opportuinity to improve our Number Theory knowledge.

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After shivam jadhav's problem is solved , I think we must move on to new fresh , note ....

Till Shivam's problem unsolved you can post extra participation problems ......... anybody who wants to ....but only 1 EPP is allowed . per regular question.

Keep this in Mind !!!!

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I think that you can start note-2 soon. There are well over 100 comments and it is very hard to see to where someone commented.

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I think we will start the new note after say problem 15 as the contest started just few days back and it will be difficult for some people to start from the second note. The note can be made better if we all delete all the unnecessary comments.

I think that it will be better if every person is allowed to post 1 EPP per regular question.

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okay !

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Guys I will be inactive on Brilliant for 6-7 days as I am going on holiday trip....:( :( :( :(

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@Svatejas Shivakumar , @Sharky Kesa

I still think that there can be some conclusion for EPP problem 1 . We are getting a number which is divisible by 2000 which has one factor which is given number , ...So there can be some relation ...

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@Sharky Kesa

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With the question, what you actually want to try to prove is that the expression is divisible by 16 and 125.

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