Search found 110 matches

by Tahmid
Fri Aug 28, 2015 10:40 am
Forum: National Math Camp
Topic: Exam 2, Online Number Theory Camp, 2015
Replies: 24
Views: 4617

Re: Exam 2, Online Number Theory Camp, 2015

সলুশন জমা দিতে হবে কখন ? :|
by Tahmid
Fri Aug 28, 2015 2:38 am
Forum: National Math Camp
Topic: Exam 2, Online Number Theory Camp, 2015
Replies: 24
Views: 4617

Re: Exam 2, Online Number Theory Camp, 2015

Masum wrote: I will post the problems a bit later. Stay alert :lol:
কিযে নূরানী পরীক্ষা হচ্ছে এইটা ;)
by Tahmid
Thu Aug 27, 2015 11:14 pm
Forum: National Math Camp
Topic: Exam 2, Online Number Theory Camp, 2015
Replies: 24
Views: 4617

Re: Exam 2, Online Number Theory Camp, 2015

আজকে কি পরীক্ষা হবে না ? :? কেউ মাসুম ভাই কে ফোন করতে পারিস ? আসিফ অথবা সানজিদ ভাই ?
আমার কাছে ফোন নাম্বার নাই :|
by Tahmid
Wed Aug 26, 2015 9:35 pm
Forum: National Math Camp
Topic: Practice Problemset 2
Replies: 5
Views: 1204

Re: Practice Problemset 2

ভাইয়া ,
problem 4 এ $r$ এর কাজ কি ? আর প্রুফ যেটা করতে বলসে সেটাও বুঝতেছি না :?
by Tahmid
Mon Aug 24, 2015 11:02 pm
Forum: National Math Camp
Topic: Exam 1, Online Number Theory Camp, 2015
Replies: 15
Views: 3664

Re: Exam 1, Online Number Theory Camp, 2015

in problem 1.2
what is "index" ? :?
by Tahmid
Mon Aug 24, 2015 10:05 pm
Forum: National Math Camp
Topic: Exam 1, Online Number Theory Camp, 2015
Replies: 15
Views: 3664

Re: Exam 1, Online Number Theory Camp, 2015

time limit ? when we will submit our solution ?
opsss ....you edited ... then ok ..
by Tahmid
Mon Aug 24, 2015 3:30 pm
Forum: National Math Camp
Topic: ONT Camp Day 1
Replies: 12
Views: 2818

Re: ONT Camp Day 1

i can't understand the 5th problem. anybody please help me or provide a bangla version of the problem এখানে বলা হয়েছে যে , $k$ এর যেইসব ধনাত্নক মানের জন্য $\sigma (n)=n+k$- এই সমীকরনটির অসীম সংখ্যাক সমাধান আছে (অর্থাৎ অসীম সংখ্যাক $n$ পাওয়া যাবে ) , $k$ এর সেই মানগুলো নির্নয় করতে হবে । আর $\sigm...
by Tahmid
Sun Aug 23, 2015 11:19 pm
Forum: National Math Camp
Topic: ONT Camp Day 1
Replies: 12
Views: 2818

Re: ONT Camp Day 1

tanmoy wrote:I think there is a problem in problem 1 and 4
if there is a problem, masum vaia told to send a pm .
so it's better to send him a pm than posting here . :|
by Tahmid
Fri Jul 10, 2015 12:52 am
Forum: Geometry
Topic: incircles and excircles
Replies: 1
Views: 674

incircles and excircles

Given a point $M$ on the side $AB$ of the triangle $\Delta ABC$ , let ${r}_{1},{r}_{2}$ are the radii of the inscribed circles of the triangles $\Delta ACM,\Delta BCM$ respectively and let ${p}_{1},{p}_{2}$ are the radii of the excircles of the triangles $\Delta ACM,\Delta BCM$ at the sides $AM$ and...
by Tahmid
Thu Jul 09, 2015 12:20 am
Forum: Secondary Level
Topic: USSR MO
Replies: 3
Views: 920

Re: USSR MO

tanmoy wrote:I have got a solution using pigeonhole principle and contradiction. :geek:
actually i wanted that :)