6. no tar uttor $7!$ howa uchit. Karon je kono ekta distinct band ke $8$ vabe rotate korle all possible permutaion pawar kothaLabib wrote:(১) ও (২) এ সহমত।
(৬)
মালার ক্ষেত্রে মনে হয়, ২ দিয়ে ফলাফল ভাগ করতে হয়... কারন সেটাকে ঘোরানো যায়। তাই ফলাফলঃ $\frac{7!}2$।
Search found 92 matches
- Wed Dec 21, 2011 8:18 pm
- Forum: Higher Secondary Level
- Topic: পাঠ্যবইয়ের সমস্যা -০১ (Combinatorix)
- Replies: 19
- Views: 14573
Re: পাঠ্যবইয়ের সমস্যা -০১ (Combinatorix)
- Wed Dec 21, 2011 1:56 pm
- Forum: Divisional Math Olympiad
- Topic: Can u Factorize?
- Replies: 9
- Views: 5516
Re: Can u Factorize?
Mahi,
What software do u need to run it??
What software do u need to run it??
- Mon Dec 19, 2011 11:07 pm
- Forum: Divisional Math Olympiad
- Topic: Candles....(From CMC test)
- Replies: 19
- Views: 10716
Re: Candles....(From CMC test)
Any idea about the Solution??
- Mon Dec 19, 2011 7:24 pm
- Forum: Divisional Math Olympiad
- Topic: Candles....(From CMC test)
- Replies: 19
- Views: 10716
Re: Candles....(From CMC test)
Joty, Hehe he .. Its not Canadian Math Contest,, Its Chittagong Math Circle
- Mon Dec 19, 2011 12:02 am
- Forum: Divisional Math Olympiad
- Topic: Candles....(From CMC test)
- Replies: 19
- Views: 10716
Re: Candles....(From CMC test)
Rafi, Nowshin er kache $n$ sonkhok mombati ase. 1st din e, Noushin jekono 1 ta mombati 1 ghonta jalay, 2nd in e she jekono ekta mombati r prottekta 2 ghonta jalay, 3rd din e, she 3 ta mombati 3, prottektake 3 ghonta jalay,, evabe n tomo dine she n ta mombati n ghonta jalay, n-din sheshe, protita mom...
- Sun Dec 18, 2011 9:57 pm
- Forum: Chemistry
- Topic: Organic Chemistry: Alkanes
- Replies: 5
- Views: 5367
Re: Organic Chemistry: Alkanes
Thanx Mahi,
U have saved me some time,:D
U have saved me some time,:D
- Sun Dec 18, 2011 8:40 pm
- Forum: Chemistry
- Topic: Organic Chemistry: Alkanes
- Replies: 5
- Views: 5367
Re: Organic Chemistry: Alkanes
U see, melting point increases from c-1 to c-2 and again drops from c-2 to c-3. then again increases then decreases. here c-2 denotes the Alkane with 2 carbon atoms. I was asking for the reason that will explain this irregularity
- Sun Dec 18, 2011 7:52 pm
- Forum: Chemistry
- Topic: Organic Chemistry: Alkanes
- Replies: 5
- Views: 5367
Organic Chemistry: Alkanes
What is the reason behind the irregularity of the melting point of the alkanes??
- Sun Dec 18, 2011 6:11 pm
- Forum: Divisional Math Olympiad
- Topic: Candles....(From CMC test)
- Replies: 19
- Views: 10716
Re: Candles....(From CMC test)
Labib,
Why didnt u consider the case 1. i.e When Candle$A$ was lit. How do u prove that Candle A was never lit on day $(n-2)$ ?
Why didnt u consider the case 1. i.e When Candle$A$ was lit. How do u prove that Candle A was never lit on day $(n-2)$ ?
- Sun Dec 18, 2011 6:05 pm
- Forum: Divisional Math Olympiad
- Topic: CMC mock test (16)(Find Sum)
- Replies: 3
- Views: 3097
Re: CMC mock test (16)(Find Sum)
U have made a small mistake there labib. Edit it.