1. It should be 9!
2. I know thatthis prob has to be solved by combinatorix. But ami ekhono combinatorix sikhi nai, so....
Search found 384 matches
- Sat Dec 11, 2010 4:07 pm
- Forum: Divisional Math Olympiad
- Topic: Problems
- Replies: 18
- Views: 11628
- Sat Dec 11, 2010 4:01 pm
- Forum: Divisional Math Olympiad
- Topic: BdMO(Divisional)
- Replies: 10
- Views: 8699
Re: BdMO(Divisional)
thnx for the RULES. But where's the solution! ![Evil or Very Mad :evil:](./images/smilies/icon_evil.gif)
![Evil or Very Mad :evil:](./images/smilies/icon_evil.gif)
- Sat Dec 11, 2010 3:59 pm
- Forum: Divisional Math Olympiad
- Topic: Problems on Number Theory and Alzebra (frm BdMO)
- Replies: 14
- Views: 9678
Problems on Number Theory and Alzebra (frm BdMO)
1. $2x^2 - 8x + 7$ ei rashi'r sorbocho maan koto? My Attempt: I firstly turned into this: 2x(x-4)+7 . Then I placed different numbers instead of $x$. Then find that it is -1 . Is it true. Is there any smarter solution? 2. $x$ er $\Re$ maan ber koro jekhane x nicher equation satisfy kore: \[3^x + 4^x...
- Sat Dec 11, 2010 12:57 pm
- Forum: Divisional Math Olympiad
- Topic: Div Prob
- Replies: 10
- Views: 7423
Div Prob
Is Pythagorean Triplet and Pythagoran tyoyee are the same?
2.x er sokol real maan nirnoy koro jar jonno $3^x + 4^x = 5^x$ sotto hoy?![Crying or Very Sad :cry:](./images/smilies/icon_cry.gif)
2.x er sokol real maan nirnoy koro jar jonno $3^x + 4^x = 5^x$ sotto hoy?
![Crying or Very Sad :cry:](./images/smilies/icon_cry.gif)
- Sat Dec 11, 2010 12:28 pm
- Forum: Divisional Math Olympiad
- Topic: BdMO(Divisional)
- Replies: 10
- Views: 8699
Re: BdMO(Divisional)
Another one:
- Sat Dec 11, 2010 12:22 pm
- Forum: Divisional Math Olympiad
- Topic: BdMO(Divisional)
- Replies: 10
- Views: 8699
BdMO(Divisional)
Can you hlp me with these?
- Sat Dec 11, 2010 12:09 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO 2010 H. Sec. problem 8
- Replies: 22
- Views: 15406
Re: BdMO 2010 H. Sec. problem 8
thnx a lot. And wot does "law sha gu" defers? Whatz a "residue"?
Thnx for the link. Another 1. What is modular arithmatic?(silly isn't it)
Thnx for the link. Another 1. What is modular arithmatic?(silly isn't it)
- Sat Dec 11, 2010 12:03 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO 2010 H. Sec. problem 8
- Replies: 22
- Views: 15406
Re: BdMO 2010 H. Sec. problem 8
And what would be "law sha gu"
What a "residue"? And thnx for the link
What a "residue"? And thnx for the link
- Sat Dec 11, 2010 11:59 am
- Forum: Site Support
- Topic: How to use LaTeX
- Replies: 68
- Views: 1780476
Re: How to use LaTeX
o0o0o0o0o Taratari kore porsi to ei jonno mistakum! And by the way ami jokhon likhsilam tokhon dekhte pai nai, but post deoar pore.....
Word e ki ei ta kaj kore? Ami dekhlam oi khane ei font use korle space dile space hoyna(MS word e)![Crying or Very Sad :cry:](./images/smilies/icon_cry.gif)
Word e ki ei ta kaj kore? Ami dekhlam oi khane ei font use korle space dile space hoyna(MS word e)
![Crying or Very Sad :cry:](./images/smilies/icon_cry.gif)
- Sat Dec 11, 2010 11:53 am
- Forum: Introductions
- Topic: Hello
- Replies: 2
- Views: 3517
Re: Hello
Sure why not! It's just I'm doing a lill bit more for the MO. ![Geek :geek:](./images/smilies/icon_e_geek.gif)
![Geek :geek:](./images/smilies/icon_e_geek.gif)