Search found 53 matches
- Fri Aug 12, 2011 11:52 pm
- Forum: Junior Level
- Topic: Divisible by 24
- Replies: 7
- Views: 5437
Re: Divisible by 24
Shahriar bhaia odd^2 -1 is not always dividable by 3, suppose 9^2-1 !!! but if they r prime and greater than 3 then u can write the prime number as (3n+2) or (3n+1),where n belongs to N then square it and minus 1 from it, the results will be either (9n^2+12n+3) or (9n^2+ 6n)... in both cases they ar...
- Fri Aug 05, 2011 3:10 am
- Forum: Secondary: Solved
- Topic: Rangpur Secondary 2011/2
- Replies: 5
- Views: 11018
Re: Rangpur Secondary 2011/2
-27<fg<-2..should be.
- Fri Aug 05, 2011 2:55 am
- Forum: Secondary: Solved
- Topic: Dhaka Secondary 2011/2 (Junior 2011/4)
- Replies: 8
- Views: 14139
Re: Dhaka Secondary 2011/2 (Junior 2011/4)
bro i did not get your solution, can u describe it even more clearly??@hasib bro