Search found 101 matches

by tushar7
Wed Aug 24, 2011 6:58 am
Forum: Physics
Topic: String Theory
Replies: 4
Views: 839

Re: String Theory

xkcd .. nice one there tahmid
by tushar7
Fri Aug 19, 2011 7:38 am
Forum: Physics
Topic: Integration
Replies: 6
Views: 1108

Re: Integration

you can always google it .
by tushar7
Thu Aug 11, 2011 7:22 pm
Forum: Chemistry
Topic: পরমাণুর গঠন
Replies: 15
Views: 2151

Re: পরমাণুর গঠন

ইলেকট্রন এর গতি অনেক বেশি থাকে শেল এ , তার ফলে ভর এর পরিবর্তন আসার কথা । ( i have doubts though)
by tushar7
Wed May 11, 2011 3:14 pm
Forum: Secondary Level
Topic: 7 divide $n^7-n$
Replies: 6
Views: 1258

Re: 7 divide $n^7-n$

nadim used fermat's little theorem
by tushar7
Thu Jan 20, 2011 11:38 pm
Forum: Divisional Math Olympiad
Topic: digit again again
Replies: 5
Views: 1096

Re: digit again again

no one!.......................
by tushar7
Tue Jan 18, 2011 8:59 pm
Forum: Divisional Math Olympiad
Topic: digit again again
Replies: 5
Views: 1096

digit again again

what is the last two digits of $2^{999}$
my asnwer is 32
by tushar7
Tue Jan 18, 2011 8:57 pm
Forum: H. Secondary: Solved
Topic: Dhaka Higher Secondary 2010/6
Replies: 15
Views: 3025

Re: Dhaka Higher Secondary 2010/6

fermat's little theorem can be useful ..........but this is too trivial
by tushar7
Tue Jan 18, 2011 8:55 pm
Forum: H. Secondary: Solved
Topic: Dhaka Higher Secondary 2010/1 (Secondary 2010/8)
Replies: 3
Views: 1832

Re: Dhaka Higher Secondary 2010/1

is this BDMO bot user like gamebot in AOPS ,
the problem was corrected from $x=2$ to 2010 not $x=0$
the aswer is 0 for every $x$ will be $f(x)=0$ ,even if we think $2$ is only prime number
by tushar7
Sat Jan 15, 2011 7:54 pm
Forum: Divisional Math Olympiad
Topic: AMC 2006
Replies: 1
Views: 590

AMC 2006

Six distinct positive integers are randomly chosen between 1 and 2011, inclusive. What is the probability that some pair of these integers has a difference that is a multiple of 5?
by tushar7
Tue Jan 11, 2011 4:18 pm
Forum: Divisional Math Olympiad
Topic: proability
Replies: 7
Views: 1310

Re: proability

i guess so