Search found 6 matches

by Rangon Roy Utsab
Thu Jan 10, 2019 12:34 am
Forum: National Math Camp
Topic: The Gonit IshChool Project - Beta
Replies: 28
Views: 3318

Re: The Gonit IshChool Project - Beta

Then are those people still working on it?
by Rangon Roy Utsab
Sun Jan 06, 2019 1:29 am
Forum: National Math Camp
Topic: The Gonit IshChool Project - Beta
Replies: 28
Views: 3318

Re: The Gonit IshChool Project - Beta

What's the current phase of this project?
Is it still in development or have been abandoned?
by Rangon Roy Utsab
Sun Jan 06, 2019 1:27 am
Forum: National Math Camp
Topic: The Gonit IshChool Project - Beta
Replies: 28
Views: 3318

Re: The Gonit IshChool Project - Beta

Name you'd like to be called: Rangon
Course you want to learn: Functional Equations and Number Theory Problem Solving
Preferred methods of communication (Forum, Messenger, Telegram, etc.): Telegram
Do you want to take lessons through PMs or Public: Public
by Rangon Roy Utsab
Sun Sep 02, 2018 1:32 pm
Forum: Social Lounge
Topic: Chat thread
Replies: 53
Views: 6434

Re: Chat thread

⚆ _ ⚆ ?????
by Rangon Roy Utsab
Fri Aug 31, 2018 11:04 pm
Forum: Social Lounge
Topic: Chat thread
Replies: 53
Views: 6434

Re: Chat thread

#make_BdMO_forum_great_again
:D
by Rangon Roy Utsab
Thu Mar 08, 2018 10:50 pm
Forum: National Math Olympiad (BdMO)
Topic: BDMO 2017 National round Secondary 5
Replies: 15
Views: 1965

Re: BDMO 2017 National round Secondary 5

radius of two big circle are same. let X be the point where little circle is tangent. it is well known the center of little circle, tangent point are lies on $OB$. $MO=OX$ $BX= BO+OX=BO+MO $ You proved $BX=OB+OM$, not $AB=OB+OM$ Look carefully and you will notice that $BX$ and $AB$ are radii of the...