You can post the full solution if you want.
And bai, bai? Seriously?
Search found 592 matches
- Fri Sep 04, 2015 11:13 pm
- Forum: National Math Camp
- Topic: ONTC Final Exam
- Replies: 34
- Views: 29878
- Fri Sep 04, 2015 4:03 am
- Forum: National Math Camp
- Topic: ONTC Final Exam
- Replies: 34
- Views: 29878
Re: ONTC Final Exam
In p2 , 2^m-1 according to m makes a sequence - if m = 1 , then 2^m-1 = 1 . For m as 2 , 2^m-1 = 3 . For m as 3 , 2^m-1 = 7 . Let 2^m-1 = X . The sequence - Xn = 2*X(n-1) + 1 where X1 = 1 . In the whole sequence only when m = 1 , X divides n^2+1 . For ex : n^2+1 = 1, 2 (mod 3) etc . My proof is poo...
- Fri Sep 04, 2015 4:01 am
- Forum: National Math Camp
- Topic: ONTC Final Exam
- Replies: 34
- Views: 29878
Re: ONTC Final Exam
Yeah. no problemEpshita32 wrote:In p5 can I use the cyclic version instead of the given one ?
- Wed Sep 02, 2015 11:48 pm
- Forum: National Math Camp
- Topic: ONTC Final Exam
- Replies: 34
- Views: 29878
Re: ONTC Final Exam
Yes, there is an elementary solution. But it uses Cyclotomic Polynomial.
- Wed Sep 02, 2015 8:49 pm
- Forum: National Math Camp
- Topic: ONTC Final Exam
- Replies: 34
- Views: 29878
Re: ONTC Final Exam
আমাদের ক্লাস এইটের বইয়ে পৌনপুনিক নিয়ে কিছু আলোচনা ছিল। ওখান থেকে, এই লেমাটা প্রমাণ করার চেষ্টা কর আগেঃ একটা সংখ্যা মূলদ হয় যদি ও কেবল যদি দশমিকের পরের(যদি কিছু থাকে) অংশে কোন পর্যায়ক্রমিক ধারা থাকে। যেমন, ১৫.২৪২২৪২২৪২২... খেয়াল কর যে, এখানে পর্যায়টা নির্দিষ্ট। মানে যত কিছুই কর, এটা পরিবর্তন হব...
- Tue Sep 01, 2015 10:49 pm
- Forum: National Math Camp
- Topic: ONTC Final Exam
- Replies: 34
- Views: 29878
Re: ONTC Final Exam
You just made a takla post lol Use english or bengali in bangla fonts
- Tue Sep 01, 2015 7:05 pm
- Forum: National Math Camp
- Topic: ONTC Final Exam
- Replies: 34
- Views: 29878
Re: ONTC Final Exam
It seems everyone didn't understand that in problem $8$, $a$ is an infinite series after decimal which has all the prime numbers consecutively. I thought you all would understand what it really meant. Anyway, there is still time left before submission. So correct your solutions accordingly
- Tue Sep 01, 2015 2:09 pm
- Forum: National Math Camp
- Topic: ONTC Final Exam
- Replies: 34
- Views: 29878
Re: ONTC Final Exam
I will accept both of them, whichever you work with. The given one or the cyclic one.
- Tue Sep 01, 2015 12:23 pm
- Forum: National Math Camp
- Topic: ONTC Final Exam
- Replies: 34
- Views: 29878
Re: ONTC Final Exam
no problem even if there is typo in problem 5. all the same. As for problem 4, replace the word bindu with shirsho
- Mon Aug 31, 2015 9:26 pm
- Forum: National Math Camp
- Topic: ONTC Final Exam
- Replies: 34
- Views: 29878
ONTC Final Exam
আজকে কয়েক মিনিট আগেই সমস্যা দিয়ে দেওয়া হলো।
কাল রাত ১০ টার মধ্যে সমাধান জমা দিবে।
কাল রাত ১০ টার মধ্যে সমাধান জমা দিবে।