Search found 2 matches
- Fri Feb 10, 2012 12:39 am
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO National Higher Secondary 2007/7
- Replies: 6
- Views: 7470
Re: BdMO National Higher Secondary 2007/7
nice and clean:D
- Thu Feb 09, 2012 1:04 am
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO National Junior 2011/6 (Secondary 4, H. Sec 3)
- Replies: 5
- Views: 4794
Re: BdMO National Junior 2011/6 (Secondary 4, H. Sec 3)
In rectangle ABCD, let AB = a and BC = b, BE = 1/2 b Let X and E be concurrent, then BP will subtend a length of a externally on line AB As X moves towards B by k units, P moves towards B by ka/b units Then, \[Area A = \frac{1}{2} (DC)(CX) + \frac{1}{2} (BP)(BX) = \frac{1}{2} a (\frac{1}{2}b + k) \f...