Search found 5 matches

by super boy
Mon Dec 26, 2016 1:11 pm
Forum: Site Support
Topic: How to delete BdMO Forum Account?
Replies: 2
Views: 811

How to delete BdMO Forum Account?

Thanks again everyone for showing your all helpful activities . Firstly, when I came to know that we have a forum to discuss about math , then I became so happy and wanted to join it. I joined,posted my problems, hope that somebody will see and help me to tell yes or not. But now I see that the foru...
by super boy
Sun Dec 25, 2016 2:33 pm
Forum: Site Support
Topic: How to prepare and study for BdMO in Secondary Group
Replies: 3
Views: 1711

How to prepare and study for BdMO in Secondary Group

Hi everyone, How can I prepare myself for BdMO secondary group both in regional and national competitions? I participated in BdMO for the first time previous year, 2016 and I was in class 8 or junior group. That was my first BdMO but I got the chance to sit for National BdMO. But in National, I didn...
by super boy
Sun Dec 25, 2016 2:05 pm
Forum: Secondary Level
Topic: Find $$(x,y)$$
Replies: 4
Views: 1119

Re: Find $$(x,y)$$

The only solution is $(x,y) = (3,11) $ Solution: First, I tried to divide $x^5 - 1$ by $x-1$. It became, $y^2 = \frac{x^5-1}{x-1}$ $\Leftrightarrow y^2 = x^4 + x^3 + x^2 + x + 1 $ Then, I think to put an inequality and to find an easy equation so that I can find the value of $x$. Notice that, $(x^2 ...
by super boy
Sun Dec 25, 2016 12:44 pm
Forum: Divisional Math Olympiad
Topic: Regional MO 2016 Dhaka ques 8
Replies: 3
Views: 621

Re: Regional MO 2016 Dhaka ques 8

I think the answer is $7$ Solution: (If anyone check this if it's wrong or not, I'll be happy :) ) Notice when the symbol $ "<" $ is inserted in the appropriate place which is between the eight digits, there are $7$ place to put that symbol inside the eight digits. Also we've given a condition that ...
by super boy
Tue Dec 20, 2016 2:19 pm
Forum: Secondary Level
Topic: How to prepare for BdMO in Secondary Group
Replies: 1
Views: 695

How to prepare for BdMO in Secondary Group

How can I prepare myself in BdMO ? Which topics are enough to learn for both regional and national Olympiad for the secondary group? What type of books should I get? Overall, I want to know how can I prepare myself for the Olympiad to do a better figure both in regional and national Olympiad. If any...