Search found 101 matches
- Sun Jan 02, 2011 12:40 am
- Forum: Chemistry
- Topic: ক্রোমিয়ামের যোজনী
- Replies: 5
- Views: 14290
Re: ক্রোমিয়ামের যোজনী
here is the iamge of electrons in the shells
- Sat Jan 01, 2011 6:34 pm
- Forum: H. Secondary: Solved
- Topic: Dhaka Higher Secondary 2010/6
- Replies: 15
- Views: 10858
Re: dhaka div 2010
what is the remainder when $2^{1024} +5^{1024} +1$ is divided by $9$? the answer given in KMC website is 0 . but i am having the same answer $3$ $2^3\equiv -1\bmod{9}$ $\Rightarrow 2^{1024}\equiv -2\bmod{9}$ $5^6\equiv 1\bmod{9}$ $\Rightarrow 5^{1024}\equiv 4\bmod{9}$ so $-2+4+1=3$ , where is the f...
- Fri Dec 31, 2010 2:04 am
- Forum: H. Secondary: Solved
- Topic: Dhaka Higher Secondary 2010/2 (Secondary 2010/9)
- Replies: 17
- Views: 21252
Re: Find the area??!!
use the ceva's theorem ..
- Thu Dec 30, 2010 7:08 pm
- Forum: Physics
- Topic: Suggest some Books!!
- Replies: 19
- Views: 10929
Re: Suggest some Books!!
i dont know but try the wikipedia
- Thu Dec 30, 2010 12:59 pm
- Forum: Divisional Math Olympiad
- Topic: digit again
- Replies: 10
- Views: 6722
Re: digit again
yap you are correct. but give the full solution
- Thu Dec 30, 2010 12:58 pm
- Forum: Physics
- Topic: Suggest some Books!!
- Replies: 19
- Views: 10929
Re: Suggest some Books!!
i think first you need to learn non-eulcldean geometry before learning G. theory of relativity
- Thu Dec 30, 2010 12:53 am
- Forum: Divisional Math Olympiad
- Topic: digit again
- Replies: 10
- Views: 6722
digit again
find the last two digits of $6^{2007}+7^{2007}$
- Thu Dec 30, 2010 12:31 am
- Forum: Divisional Math Olympiad
- Topic: Problems from dhk div 2010!!
- Replies: 9
- Views: 6714
Re: Problems from dhk div 2010!!
yap , i didnt even understand this problem .... i wasted 14 mins
- Wed Dec 29, 2010 6:26 pm
- Forum: Physics
- Topic: Suggest some Books!!
- Replies: 19
- Views: 10929
Re: Suggest some Books!!
i have those books .......
i didnt buy the actual printed books , u know the the photocopied ones' .
hey tanvir bhaya , can you tell me the what is discussed in the BRIEFER history of time byH. hawking . i read the 'a brief hisoty of time"
i didnt buy the actual printed books , u know the the photocopied ones' .
hey tanvir bhaya , can you tell me the what is discussed in the BRIEFER history of time byH. hawking . i read the 'a brief hisoty of time"
- Wed Dec 29, 2010 1:34 pm
- Forum: Secondary Level
- Topic: fermat's number
- Replies: 7
- Views: 5509
Re: fermat's number
Ok, this is an easy problem..if you read in wikipedia about FERMAT NUMBER you can get the answer........2^2^5=2^32=4294967297 so ,you can see that 4294967297/641...........and that is your ans. i dont think you will have access to wikipedia or calculator in any MATH contest .